EXAM 28-29 JULY 2018 06.Subtitute

import java.util.Scanner;

public class substituteProblem_6 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int k =Integer.parseInt(scanner.nextLine());
        int l =Integer.parseInt(scanner.nextLine());
        int m =Integer.parseInt(scanner.nextLine());
        int n =Integer.parseInt(scanner.nextLine());

        int possibleChanesConter=0;

        for (int q=k;q<=8;q++){
            for (int j=9;j>=l;j--){
                for (int p=m;p<=8;p++){
                    for (int z=9;z>=n;z--){
                        if (q % 2 ==0 && j % 2 ==1 && p%2==0 && z%2==1){
                            if (possibleChanesConter==6){
                                break;
                            }
                            if (q==p && j==z){
                                System.out.println("Cannot change the same player.");
                            }else{
                                possibleChanesConter++;
                                System.out.printf("%s%s - %s%s%n",q,j,p,z);
                            }

                        }
                    }
                }

            }
        }


    }
}