O6UniquePin

package August2018;

import java.util.Scanner;

public class O6UniquePin {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());
        int m = Integer.parseInt(scanner.nextLine());
        int l = Integer.parseInt(scanner.nextLine());


        for (int i = 2; i <= n ; i+=2) {
            for (int k = 2 ; k <= m ; k++) {
            for (int j = 2; j <= l; j+=2) {
                    if ( k==2 || k==3 || k== 5 || k==7){
                            System.out.printf("%d %d %d%n", i, k, j);
                    }
                }
            }
        }

    }
}