#include<iostream>
int main(){
	int n,x,a[100],an=0;
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
	}
	scanf("%d",&x);
	for(int i=0;i<n;i++){
		if(a[i]<=x){
		    x=x-a[i];
			an=an+1;
		}
	}
	printf("%d",an);
	return 0;
}

求救qwq