#include "bits/stdc++.h"
using namespace std;
using lol = long long;
using ii = pair<int, int>;
using ll = pair<lol, lol>;
void solve(){
char c;
cin >> c;
string s = "codeforces";
for(char cc : s) if(cc == c){
cout << "YES\n";
return;
}
cout << "NO\n";
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
if(fopen("inp.txt", "r")){
freopen("inp.txt", "r", stdin);
}
int t;
cin >> t;
while(t--) solve();
}
84. Largest Rectangle in Histogram | 60. Permutation Sequence |
42. Trapping Rain Water | 32. Longest Valid Parentheses |
Cutting a material | Bubble Sort |
Number of triangles | AND path in a binary tree |
Factorial equations | Removal of vertices |
Happy segments | Cyclic shifts |
Zoos | Build a graph |
Almost correct bracket sequence | Count of integers |
Differences of the permutations | Doctor's Secret |
Back to School | I am Easy |
Teddy and Tweety | Partitioning binary strings |
Special sets | Smallest chosen word |
Going to office | Color the boxes |
Missing numbers | Maximum sum |
13 Reasons Why | Friend's Relationship |