import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String line1 = br.readLine();
        String[] params = line1.split(" ");
        int N = Integer.parseInt(params[0]);
        int X = Integer.parseInt(params[1]);
        int sum = 0;
        int count = 1;
        String[] L = br.readLine().split(" ");
        for(String l : L) {
            sum += Integer.parseInt(l);
            count = sum <= X ? ++count : 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