import java.util.*;

public class Main{
  public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();
    int bndresult = 0;
    int cnt = 0;
    
    ArrayList<Integer> bndList = new ArrayList<Integer>();
    
    for(int i = 0; i<=n; i++){
      	if(i != 0){
        int l = sc.nextInt();
      	bndresult = bndresult + l;
        }
      	bndList.add(bndresult);
    }
    
    for (int i=0; i<bndList.size(); ++i){
      int z = bndList.get(i);
      if(z <= x){
        cnt++;
      }
    }
    System.out.println(cnt);  
  }
 }

/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