import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;

public class No156 {
	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] str1 = br.readLine().split(" ");
		String[] str2 = br.readLine().split(" ");
		int N = Integer.parseInt(str1[0]);
		int M = Integer.parseInt(str1[1]);
		int[] C = new int[N];
		for(int i=0; i < N; i++) C[i] = Integer.parseInt(str2[i]);
		Arrays.sort(C);
		getAns(M, C);
	}
	
	public static void getAns(int a, int[] b){
		int ans = 0;
		for(int i=0; i< b.length; i++){
			a -= b[i];
			ans++;
			if(a < 0) {
				ans--;
				break;
			}
		}
		System.out.println(ans);
	}
}