import java.util.*; 
 
class Main{
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];
  		int d=0;
  		int ans=0;
		for(int c=0;c<n;c++){
    		l[c]=sc.nextInt();
          	d+=l[c];
            if(d<=x){
            	ans++;
            }else{
            	break;
            }
    	}
    
    	System.out.println(ans+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