
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int n = s.nextInt();
        int x = s.nextInt();
        List<Integer> list = new ArrayList<>();
        for(int i =0;i<n;i++){
            list.add(s.nextInt());
        }
        int count = 0;
        int d =0;
        int i=0;
        while(d<=x){
            count++;
            if(i==n) break;
            d+=list.get(i);
            i++;
        }
        System.out.println(count);
    }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz