538A - Cutting Banner - CodeForces Solution

#include<iostream>

using namespace std;

int main()
{
string s;

cin>>s;

int f=0,j,i,m=s.length();

for(i=0;i<m;i++)

for(j=0;j<m;j++)

if(s.substr(0,i)+s.substr(j+1)=="CODEFORCES")
{
cout<<"YES";return 0;
}
cout<<"NO";
return 0;
}