import java.util.Scanner;
public class Main{
  public static void main(String[] args){
    Scanner s = new Scanner(System.in);
    int a = s.nextInt();
    int b = s.nextInt();

    int sum = 0;
    int count = 0;
    for(int i = 0; i < a; i++){
      int c =s.nextInt();
      sum = c + sum;
      if(sum <= b){
        count++;
      }else{

      }
    }
    System.out.println(count + 1);
  }
}

/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