Submission #1846490

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

string s;

int main(void)
{
	cin >> s;
	
	int n = 0;
	for(int i = 0; i < s.size(); i++){
		if(n == 0 && s[i] == 'C') n++;
		if(n == 1 && s[i] == 'F') n++;
	}
	
	if(n == 2) cout << "Yes" << endl;
	else cout << "No" << endl;
	
	return 0;
}

Submission Info

Judge Result