import java.util.*;
public class Main {
    Scanner sc = new Scanner(System.in);
    public static void main(String[] args){
        new Main().run();
    }
    void run() {
      int n = sc.nextInt();
      int x = sc.nextInt();
      int[] l = new int[n];
      for(int i = 0; i < n; ++i) {
        l[i] = sc.nextInt();
      }
      int a = 0;
      int c = 1;
      
      for (int j = 0; j < l.length; ++j) {
        a = a + l[j];
        if (a <= x) c++;
      }
      System.out.println(c);
    }
}

/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