diff --git a/S2OJ/441/441.cpp b/S2OJ/441/441.cpp
new file mode 100644
index 00000000..51542ce4
--- /dev/null
+++ b/S2OJ/441/441.cpp
@@ -0,0 +1,31 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int m, s, a[15], ans1 = 0;
+    string x, ans2;
+    map<int, int> m1, m2;
+    cin >> m;
+    for (int i = 0; i < m; i++) {
+        cin >> a[i];
+    }
+    sort(a, a + m);
+    for (int i = 0; i < m; i++) {
+        m1[i] = a[i];
+        m2[a[i]] = i;
+    }
+    cin >> x >> s;
+    reverse(x.begin(), x.end());
+    for (int i = 0; i < x.size(); i++) {
+        ans1 += m2[x[i] - '0'] * pow(m, i);
+    }
+    while (s) {
+        ans2.push_back(m1[s % m] + '0');
+        s /= m;
+    }
+    reverse(ans2.begin(), ans2.end());
+    cout << ans1 << endl
+         << ans2 << endl;
+    return 0;
+}