import java.util.*;

class Main{
    public static void main(String[] args){
        
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int X = sc.nextInt();
        int[] L = new int[N];
        int[] D = new int[N + 1];
        D[0] = 0;

        for(int i=0; i<N; i++){
            L[i] = sc.nextInt();
        }

        int ans = 1;
        for(int i=1; i<=N; i++){
            D[i] = D[i - 1] + L[i - 1];
            if(D[i]<=X){
                ans += 1;
            }
        }
        System.out.println(ans);
    }
}
/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