import java.util.Scanner;
public class Main {
		static void solve() {
			Scanner sc = new Scanner(System.in);
			int n = sc.nextInt();
			int x = sc.nextInt();
			int sum = 0;
			int res = 0;
			int[] array = new int [n];
			for(int i = 0;i<n;i++) {
				int l = sc.nextInt();
				sum+=l;
				if(sum<=x) {
					res++;
				}
			}
			System.out.println(res+1);
			sc.close();
		}
		public static void main(String[] args) {
			solve();

	}

}

/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