#include <stdio.h>
int main(){
    int n,a[10],b,i,num,cnt;
    scanf("%d",&n);
    while(n--){
        cnt=0;num=10;i=0;
        while(num--){
            scanf("%d",&a[i]);
            i++;
        }
        i=0;
        scanf("%d",&b);
        while(i<10){
            if((b+30)>=a[i])cnt++;
            i++;
        }
        printf("%d\n",cnt);
    }
}