import java.util.Scanner;

class Main{
  public static int temp = 0;
  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];
    for(int i = 0; i < N;i++){
     L[i] = sc.nextInt();
    }
    N = N + 1;
    
    int ans = 0;
    if(0 <= X){
      ans = ans + 1;
     }
    for(int i = 2; i <= N;i++){
     temp = method(i,L[i-2]);
     if(temp <= X){
      ans = ans + 1;
     }
    }
    System.out.println(ans);

  }
  static int method(int Ni,int Li){
    return (temp + Li);
  }
}
/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