#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main(){
    int q; 
    scanf("%d",&q);
    for(int a0 = 0; a0 < q; a0++){
        char* s = (char *)malloc(512000 * sizeof(char));
        scanf("%s",s);
        // your code goes here
        //printf("%c%c\n",s[0],s[2]);
        ///*
        int sum=0;
        for(int i=0;i<strlen(s);i++){
            if((s[i])=='h')sum+=1;
            if((s[i])=='a')sum+=2;
            if((s[i])=='c')sum+=3;
            if((s[i])=='k')sum+=4;
            if((s[i])=='e')sum+=5;
            if((s[i])=='r')sum+=6;
            if((s[i])=='n')sum+=7;
        }//*/
        if(sum>=40)printf("YES\n");
        else printf("NO\n");
    }
    return 0;
}