
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Map;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int x = sc.nextInt();

        int[] l = new int[n];

        for (int i = 0; i < n; i++) {
            l[i] = sc.nextInt();
        }

        int[] d = new int[n + 1];

        int i = 1;
        while (i < n + 1) {
            d[i] = d[i - 1] + l[i - 1];
            i++;
        }

        Arrays.sort(d);
        int res = 0;
        int index = 0;
        while (true) {
            if (n + 1 <= index)
                break;

            if (d[index] <= x) {
                res++;
            } else {
                break;
            }
            index++;
        }

        out.println(res);
        out.flush();
    }

    //    public static void calcD(Map<Integer, Integer> dic, int index, )

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
}
/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