func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     ;     int precision = numeric_limits<double>::digits10;     ;     int n, a, b;     cin >> n >> a >> b;     cout << (a + b - 1 + 100 * n) % n + 1;   }   