func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     int x, y, n;     cin >> x >> y >> n;     int k = (n / x) * x + y;     if (k <= n) {       cout << k;     } else {       cout << k - x;     }     cout << endl;   }   int main() {     int test_cases;     cin >> test_cases;     while (test_cases--) {       solve();     }   }   