func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     unsigned long long int n, m, i, j = 0, b;     cin >> n >> m;     unsigned long long int a[n];     for (i = 0; i < n; i++) cin >> a[i];     for (i = 1; i < n; i++) a[i] = a[i - 1] + a[i];     for (i = 0; i < m; i++) {       cin >> b;       while (b > a[j]) {         j++;       }       if (j == 0)         cout << j + 1 <<     << b << endl;       else if (j < n)         cout << j + 1 <<     << b - a[j - 1] << endl;       else if (j == n)         cout << j <<     << b - a[j - 2] << endl;     }     return 0;   }   