#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, state, flag,a0;
    scanf("%d",&q);
    for(a0 = 0; a0 < q; a0++){
        char* s = (char *)malloc(512000 * sizeof(char));
        scanf("%s",s);
        flag = 0;
        state = 0;
        // your code goes here
        while(*s)
            {
            if(state == 0)
            {
                if(*s == 'h') state++;
            }
            else if(state == 1)
            {
                if(*s == 'a') state++;
            }
            else if(state == 2)
            {
                if(*s == 'c') state++;
            }
            else if(state == 3)
            {
                if(*s == 'k') state++;
            }
            else if(state == 4)
            {
                if(*s == 'e') state++;
            }
            else if(state == 5)
            {
                if(*s == 'r') state++;
            }
            else if(state == 6)
            {
                if(*s == 'r') state++;
            }
            else if(state == 7)
            {
                if(*s == 'a') state++;
            }
            else if(state == 8)
            {
                if(*s == 'n') state++;
            }
            else if(state == 9)
            {
                if(*s == 'k') {
                    flag = 1;
                    break;
                }
            }
            s++;
        }
        if(flag == 1)
            printf("YES\n");
        else
            printf("NO\n");
    }

    return 0;
}