using System.Text;
using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var n = int.Parse(line[0]);
        var m = int.Parse(line[1]);
        line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        getAns(n, m, a);
    }
    static void getAns(int n, int m, int[] a)
    {
        var sb = new StringBuilder();
        var t = new int[m + 1];
        for (int i = 0; i < n; i++)
        {
            if (a[i] <= m) t[a[i]]++;
        }
        for (int i = 1; i <= m; i++)
            sb.Append(string.Format("{0} {1}\n", i, t[i]));
        Console.Write(sb);
    }
}