import java.util.Scanner;


public class Main
{

    public static void main(String[] args) 
    {
		Scanner scan = new Scanner (System.in);
		int enteredNum;
		enteredNum = 0;
		int[] countArray;
		countArray = new int[51];
		boolean SENTINEL =  false;
		
		System.out.println("Enter an integer between 0 and 50 (enter '99' to quit): ");
		
		while (enteredNum != 99)
		{		
			enteredNum = scan.nextInt();
			
			if (enteredNum <  countArray.length && enteredNum >= 0 && enteredNum <= 50)
			{
				countArray[enteredNum]++;
			}

		}
		
		
		
		for(int count = 0; countArray[count] >=  0; count++)
		{
			if (countArray[count] != 0)
			{
				System.out.println("Array slot " + count + ":" + countArray[count]);
			}
				
		}
	}
}