整數小拼接

import java.util.*;

public class Main{
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i = 0;i < arr.length;i++) {
			arr[i] = sc.nextInt();
		}
		int sum = 0;
		for(int i = 0;i < n;i++) {
			for(int j = 0;j < n;j++) {
				if(i != j) {
					String str = ""+arr[i]+arr[j];
					int a = Integer.parseInt(str);
					if(a <= k) {
						sum++;
					}
				}
			}
		}
		System.out.println(sum);
				
	}
}