diff --git a/S2OJ/1493/1493.cpp b/S2OJ/1493/1493.cpp
new file mode 100644
index 00000000..65d48094
--- /dev/null
+++ b/S2OJ/1493/1493.cpp
@@ -0,0 +1,48 @@
+#include <iostream>
+#include <string>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 25;
+
+int r, p, s, f[1 << N];
+std::string sr[N], sp[N], ss[N];
+
+int highbit(int x) {
+    return 32 - __builtin_clz(x) - 1;
+}
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> r >> p >> s;
+
+    sr[0] = "R", sp[0] = "P", ss[0] = "S";
+
+    for (int i = 1; i <= 20; i++) {
+        f[1 << i] = i;
+    }
+
+    for (int i = 1; i <= 20; ++i) {
+        sp[i] = std::min(sr[i - 1] + ss[i - 1], ss[i - 1] + sr[i - 1]);
+        sr[i] = std::min(ss[i - 1] + sp[i - 1], sp[i - 1] + ss[i - 1]);
+        ss[i] = std::min(sp[i - 1] + sr[i - 1], sr[i - 1] + sp[i - 1]);
+    }
+
+    if (f[r + p + s] == -1) {
+        cout << "IMPOSSIBLE" << endl;
+    } else if (r != p && r != s && p == s && std::abs(r - s) == 1) {
+        cout << sr[f[r + p + s]] << endl;
+    } else if (p != r && p != s && r == s && std::abs(p - r) == 1) {
+        cout << sp[f[r + p + s]] << endl;
+    } else if (s != p && s != r && p == r && std::abs(s - p) == 1) {
+        cout << ss[f[r + p + s]] << endl;
+    } else {
+        cout << "IMPOSSIBLE" << endl;
+    }
+
+    return 0;
+}
diff --git a/S2OJ/1493/data/data1.in b/S2OJ/1493/data/data1.in
new file mode 100644
index 00000000..3210902f
--- /dev/null
+++ b/S2OJ/1493/data/data1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce05c204ff512d9fc2b2c25b2c1dbcbb5d731d6e8652bf35ee798862fdea29d8
+size 6
diff --git a/S2OJ/1493/data/data1.out b/S2OJ/1493/data/data1.out
new file mode 100644
index 00000000..782e4506
--- /dev/null
+++ b/S2OJ/1493/data/data1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:06e1264500489cb37ac2cc9cf9a6510baf79265e21f9ab345230793b8aaee010
+size 3
diff --git a/S2OJ/1493/data/data10.in b/S2OJ/1493/data/data10.in
new file mode 100644
index 00000000..cf885c32
--- /dev/null
+++ b/S2OJ/1493/data/data10.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:edb7bb11f5db3985168293975a30f585621b0dc10a22b2f1669526844c3e3fb9
+size 21
diff --git a/S2OJ/1493/data/data10.out b/S2OJ/1493/data/data10.out
new file mode 100644
index 00000000..75d205bd
--- /dev/null
+++ b/S2OJ/1493/data/data10.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eea681eb690c5b22f9f3472249403b78e90c12609f14a2f897416420c572576d
+size 1048577
diff --git a/S2OJ/1493/data/data2.in b/S2OJ/1493/data/data2.in
new file mode 100644
index 00000000..7acda7f6
--- /dev/null
+++ b/S2OJ/1493/data/data2.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31d8674703636e8e9bbe2fcc81c46fda3a12e400cc48c0c25c0ad3fe7ea44aa2
+size 21
diff --git a/S2OJ/1493/data/data2.out b/S2OJ/1493/data/data2.out
new file mode 100644
index 00000000..a4eb227f
--- /dev/null
+++ b/S2OJ/1493/data/data2.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:13c6e581be2e2d9dcf603e8be52505c18faae3b5cfa5505fef9919c63302f725
+size 1048577
diff --git a/S2OJ/1493/data/data3.in b/S2OJ/1493/data/data3.in
new file mode 100644
index 00000000..1d1cea1e
--- /dev/null
+++ b/S2OJ/1493/data/data3.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dc154c73f4ca5ce9d71da86372937939c3d0894364ca7cee8e49aa177da41588
+size 21
diff --git a/S2OJ/1493/data/data3.out b/S2OJ/1493/data/data3.out
new file mode 100644
index 00000000..5d3275ab
--- /dev/null
+++ b/S2OJ/1493/data/data3.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f398ce2ab47ccbbf5a5f2faf5bdd800a327d370301e45c77a7a107ddfb366c1
+size 1048577
diff --git a/S2OJ/1493/data/data4.in b/S2OJ/1493/data/data4.in
new file mode 100644
index 00000000..f6bb068c
--- /dev/null
+++ b/S2OJ/1493/data/data4.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a2be1e5cca7771ca5752d14b4738f7fbca6f6be405f671dca2f595a0fee2a2db
+size 16
diff --git a/S2OJ/1493/data/data4.out b/S2OJ/1493/data/data4.out
new file mode 100644
index 00000000..c850ed36
--- /dev/null
+++ b/S2OJ/1493/data/data4.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9584980048d9de2c9e87643fafd8c33b56cfd1e45dba13926b77e708936efa10
+size 11
diff --git a/S2OJ/1493/data/data5.in b/S2OJ/1493/data/data5.in
new file mode 100644
index 00000000..751362a2
--- /dev/null
+++ b/S2OJ/1493/data/data5.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:086b0405fdd65642876da20f483296951854204dcaf748baa59ce7eaad52ca77
+size 6
diff --git a/S2OJ/1493/data/data5.out b/S2OJ/1493/data/data5.out
new file mode 100644
index 00000000..ecb08cd4
--- /dev/null
+++ b/S2OJ/1493/data/data5.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91e62be2b50f4189886a1dcf99424de8c6ec55aa2c115db497c97c9cb7e699ff
+size 9
diff --git a/S2OJ/1493/data/data6.in b/S2OJ/1493/data/data6.in
new file mode 100644
index 00000000..83a71c3b
--- /dev/null
+++ b/S2OJ/1493/data/data6.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9f694e60fedd1a11c3c471f643ad66cebea7ef89f8adcf5ee21b58c9aea1abc3
+size 6
diff --git a/S2OJ/1493/data/data6.out b/S2OJ/1493/data/data6.out
new file mode 100644
index 00000000..889ef8fd
--- /dev/null
+++ b/S2OJ/1493/data/data6.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:673cd2615f44d8bc02ab62379556c428af01e756c48e2fa8acd568fe61c3b537
+size 17
diff --git a/S2OJ/1493/data/data7.in b/S2OJ/1493/data/data7.in
new file mode 100644
index 00000000..226c89cf
--- /dev/null
+++ b/S2OJ/1493/data/data7.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f6d1a778105fe9527b73800dbecb60911ede0b9f883902d55bc692292d00e682
+size 12
diff --git a/S2OJ/1493/data/data7.out b/S2OJ/1493/data/data7.out
new file mode 100644
index 00000000..18eb490f
--- /dev/null
+++ b/S2OJ/1493/data/data7.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:42c3308e5307a6e2ae5bc67458760b9475597b82aee31a5119d1e4fcd014f86b
+size 1025
diff --git a/S2OJ/1493/data/data8.in b/S2OJ/1493/data/data8.in
new file mode 100644
index 00000000..ed828f97
--- /dev/null
+++ b/S2OJ/1493/data/data8.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:39d18a958c965bbc08a9fba05d73bfb900faa97c62d926fb113e839dcdb641bd
+size 18
diff --git a/S2OJ/1493/data/data8.out b/S2OJ/1493/data/data8.out
new file mode 100644
index 00000000..a5b80725
--- /dev/null
+++ b/S2OJ/1493/data/data8.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1c87b347d0104aed2bd2523206245fc89b180731c76bc37cdc9d98ecf248edff
+size 262145
diff --git a/S2OJ/1493/data/data9.in b/S2OJ/1493/data/data9.in
new file mode 100644
index 00000000..6f8b3827
--- /dev/null
+++ b/S2OJ/1493/data/data9.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62a00947e1bc4b7c546fc8af2a0084ca1fb46d41e283f7d62ba89c731606a29b
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diff --git a/S2OJ/1493/data/data9.out b/S2OJ/1493/data/data9.out
new file mode 100644
index 00000000..a397b80e
--- /dev/null
+++ b/S2OJ/1493/data/data9.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2354827aaa7f07240a00f54ca7c5463cadd5de1746638b46fd4a42590b1682aa
+size 524289
diff --git a/S2OJ/1493/data/problem.conf b/S2OJ/1493/data/problem.conf
new file mode 100644
index 00000000..c033b9ab
--- /dev/null
+++ b/S2OJ/1493/data/problem.conf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1d2de0d1705ef7f78975d536111e85f48bda27a2c93f2ed1be531ea0e4c95504
+size 177