func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e5 + 5;   int n, m, mod, a[N], b[N], ans[N];   int main() {     cin >> n >> m >> mod;     for (int i = 1; i <= n; i++) {       cin >> a[i];     }     for (int i = 1; i <= m; i++) {       cin >> b[i];     }     for (int i = 1; i <= m; i++) {       ans[i] += b[i];       ans[i + n - m + 1] -= b[i];     }     for (int i = 1; i <= n; i++) {       ans[i] += ans[i - 1];     }     for (int i = 1; i <= n; i++) {       ans[i] += a[i];       cout << ans[i] % mod <<    ;     }     cout << endl;     return 0;   }   