import java.util.Scanner;

class Sep26 {
	public static void main(String[] args) {

		Scanner kb = new Scanner(System.in);

		// create array that can hold 5 integers
		int[] arr = new int[5];

		// set the value at index 2 to 7
		arr[2] = 7;

		// copy int value at index 2 into horseshoe 
		int horseshoe = arr[2];

		System.out.printf("horseshoe: %d\n", horseshoe);	
		System.out.printf("arr[2]: %d\n", arr[2]);
	
		// ask user to enter 5 integers, read them,
		// and store in array

		System.out.print("Enter 5 integers: ");
		int i = 0;
		while(i < 5) {
			arr[i] = kb.nextInt();
			i++;
		}

		// print contents of array to screen
		i = 0;
		while(i < 5) {
			System.out.printf("%d ", arr[i]);
			i++;
		}
		System.out.println();

		// compute the mean average
		i = 0;
		int sum = 0;
		while(i < 5) {
			sum = sum + arr[i];
			i++;
		}		
		double mean = sum / (double) arr.length;
		System.out.printf("mean: %.2f\n", mean);

		// compute mean using for-loop
		
		for(i = 0, sum = 0; i < arr.length; i++) {
			sum = sum + arr[i];
		}		

		mean = sum / (double) arr.length;
		System.out.printf("mean: %.2f\n", mean);

		// print out even values in the array using
		// a for-loop

		for(i = 0; i < 5; i++) {
			if(arr[i] % 2 == 0) {
				System.out.printf("%d ", arr[i]);
			}
		}
		System.out.println();

	}
}