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