func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int q, k;     cin >> q;     long long l, r, d, x;     for (k = 0; k < q; ++k) {       cin >> l >> r >> d;       if (d < l || d > r)         x = d;       else {         if (r % d == 0)           x = r + d;         else           x = r + (d - (r % d));       }       cout << x << endl;     }     return 0;   }   