import java.util.*;
 
public class Main {
  public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);
      int N = Integer.parseInt(sc.next());
      int X = Integer.parseInt(sc.next());
      
      int i = 0;
      int D = 0;
      int bound=1;
      while(D <= X && i < N) {
          D = D + Integer.parseInt(sc.next());
          i++;
          if(D <= X)
          	bound+=1;
      }

      System.out.println(bound);
 
      sc.close();
      
  }
}
/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