import java.util.Scanner;

class Main{
    public static void main(String[] args) {
        Scanner scan=new Scanner(System.in);
        int n= scan.nextInt();
        int m=scan.nextInt();
        int[] nums=new int[n];
        for (int i = 0; i < n; i++) {
            nums[i]= scan.nextInt();
        }

        int[][] dp=new int[n+1][m+1];
        dp[0][0]=1;
        for (int i = 1; i <= n; i++) {
            for (int j = 0; j <= m; j++) {
                //不选i
                dp[i][j]+=dp[i-1][j];
                //选i
                if(j>=nums[i-1]){
                    dp[i][j]+=dp[i-1][j-nums[i-1]];
                }
            }
        }
        System.out.println(dp[n][m]);
    }
}