func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int y, b, r, ans = 0;     cin >> y >> b >> r;     if (y + 1 <= b && y + 2 <= r) {       ans = max(ans, 3 * y + 3);     }     if (b + 1 <= r && b - 1 <= y) {       ans = max(ans, 3 * b);     }     if (r - 1 <= b && r - 2 <= y) {       ans = max(ans, 3 * r - 3);     }     cout << ans;     return 0;   }   