#include<iostream>
using namespace std;
int arr[105],sum;
int main(){ //c++7级 刚好大于100 
	//10 20 30 40 50 60 70 80 90 100
	int n,i=0;
	while(sum<=100){
		i++;
		cin>>n;
		sum+=n;
	}
	cout<<i;
	return 0;
}