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 sum = 0;
            int count = 1;
            for(int i = 0; i < N; i++){
              int j = sc.nextInt();
              sum += j;
              if(sum <= X){
                count++;
              }
            }
            System.out.println(count);
          }
}
/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