func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, a, b, ans;     cin >> n >> a >> b;     if (n == 1)       cout <<  1  << endl;     else {       ans = (a + b + abs(b) * n) % n;       if (ans == 0) ans = n;       cout << ans << endl;     }     return 0;   }   