func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int l, r, k;       cin >> l >> r >> k;       if (k < l) {         cout << k << endl;       } else {         cout << (r / k + 1) * k << endl;       }     }     return 0;   }   