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