func_code_string: #include <bits/stdc++.h>   using namespace std;   mt19937 rnd(228);   const int M = 1791791791;   const int B = 239;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int n, m;     cin >> n >> m;     vector<string> a(n), b(m);     for (int i = 0; i < n; i++) {       cin >> a[i];     }     for (int i = 0; i < m; i++) {       cin >> b[i];     }     map<int, int> ans;     for (int i = 0; i + m - 1 < n; i++) {       int kek = 0;       for (int x = i; x <= i + m - 1; x++) {         for (int y = 0; y < m; y++) {           kek = (kek * (long long)B + a[x][y]) % M;         }       }       ans[kek] = i;     }     for (int j = 0; j + m - 1 < n; j++) {       int kek = 0;       for (int x = 0; x < m; x++) {         for (int y = j; y <= j + m - 1; y++) {           kek = (kek * (long long)B + b[x][y]) % M;         }       }       if (ans.count(kek)) {         cout << ans[kek] + 1 <<     << j + 1 <<   n ;         return 0;       }     }   }   