문제
풀이
#include <iostream>
#include <string>
using namespace std;
bool solve(void) {
string s; cin >> s;
return (s.find("(") + 1) * 2 == s.length();
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << (solve() ? "correct" : "fix");
return 0;
}