Submission #942316

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

int main(){

	string str;

	cin>>str;


	int flag=0;

	for(int i=0;i<str.length();i++){
		if(flag==0){
			if(str.at(i)=='C'){
				flag=1;
			}
		}
		else if(flag==1){
			if(str.at(i)=='F'){
				flag=2;
			}
		}
		else{
			break;
		}
	}

	if(flag==2){
		cout<<"Yes"<<endl;
	}
	else{
		cout<<"No"<<endl;
	}

	return 0;

}

Submission Info

Judge Result