diff --git a/BZOJ/2217/2217.cpp b/BZOJ/2217/2217.cpp
new file mode 100644
index 00000000..974c6db3
--- /dev/null
+++ b/BZOJ/2217/2217.cpp
@@ -0,0 +1,58 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 1e6 + 5,
+          M = 2e6 + 5;
+
+int n, m, a[N], s[N], l[M], r[M];
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> n >> m;
+
+    for (int i = 1; i <= n; i++) {
+        char c;
+
+        cin >> c;
+
+        a[i] = c == 'T' ? 2 : 1;
+    }
+
+    for (int i = n; i; i--) {
+        s[i] = a[i] == 2 ? s[i + 1] + 1 : 0;
+    }
+
+    for (int i = 1, sum = 0; i <= n; i++) {
+        sum += a[i];
+        l[sum] = 1, r[sum] = i;
+
+        if (a[i] == 2) {
+            if (s[i] > s[1]) {
+                l[sum - 1] = s[1] + 2;
+                r[sum - 1] = s[1] + i;
+            } else if (s[i] != n - i + 1) {
+                l[sum - 1] = s[i] + 1;
+                r[sum - 1] = s[i] + i;
+            }
+        }
+    }
+
+    while (m--) {
+        int k;
+
+        cin >> k;
+
+        if (!l[k]) {
+            cout << "NIE" << endl;
+        } else {
+            cout << l[k] << ' ' << r[k] << endl;
+        }
+    }
+
+    return 0;
+}
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