func_code_string: #include <bits/stdc++.h>   using namespace std;   int i, j;   int main() {     int n, s, d, flag, last;     cin >> n;     cin >> s >> d;     flag = s;     n--;     while (n--) {       cin >> s >> d;       while (flag >= s) s += d;       flag = s;     }     cout << flag;   }   