#include <bits/stdc++.h>
using namespace std;


int main() {
    int q;
    cin>>q;
    char h[10]={'h','a','c','k','e','r','r','a','n','k'};
    while(q--){
        char s[10005];
        int j=0;
        cin>>s;
        for(int i=0;i<strlen(s);i++){
            if(j==10){
                break;
            }
            else if(h[j]==s[i]){
                j++;
            }
            
        }
        if(j==10){
            cout<<"YES"<<endl;
        }
        else{
            cout<<"NO"<<endl;
        }
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}