#include <stdio.h>
int main() {
    int i,a[10],b=0,c;
	for(i=0;i<10;i++){
		scanf("%d",&a[i]);
	}
	scanf("%d",&c);
	for(i=0;i<10;i++){
		if(a[i]<=c){
			b++;
		} 
		if(a[i]>120){
			int c=c+30;
			if(a[i]<=c){
				b++;	
			}
		}
	}
	printf("%d\n",b);
    return 0;	
}