Cows and bulls game

package softuni;

import java.util.Scanner;



public class SoftUni {


    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter your number: ");
        int guessNumber = Integer.parseInt(sc.nextLine());
        System.out.print("Enter the number of bulls: ");
        int targetBulls = Integer.parseInt(sc.nextLine());
        System.out.print("Enter the number of cows: ");
        int targetCows = Integer.parseInt(sc.nextLine());
        boolean solutionFound = false;

        int guessDigit1 = (guessNumber / 1000) % 10;
        int guessDigit2 = (guessNumber / 100) % 10;
        int guessDigit3 = (guessNumber / 10) % 10;
        int guessDigit4 = (guessNumber / 1) % 10;


        for(int digit1 = 1;digit1 <= 9;digit1++){
            for(int digit2 = 1;digit2 <= 9;digit2++){
                for(int digit3 = 1;digit3 <= 9;digit3++){
                    for(int digit4 = 1;digit4 <= 9;digit4++){

                        int currentBulls = 0;
                        int currentCows = 0;
                        int digitToCheck = digit1;
                        int digitToCheck2 = digit2;
                        int digitToCheck3 = digit3;
                        int digitToCheck4 = digit4;
                        int guess1 = guessDigit1;
                        int guess2 = guessDigit2;
                        int guess3 = guessDigit3;
                        int guess4 = guessDigit4;



                        if(digitToCheck == guess1){
                            currentBulls++;
                            digitToCheck = -2;
                            guess1 = -1;
                        }

                        if(digitToCheck2 == guess2){
                            currentBulls++;
                            digitToCheck2 = -2;
                            guess2 = -1;
                        }

                        if(digitToCheck3 == guess3){
                            currentBulls++;
                            digitToCheck3 = -2;
                            guess3 = -1;
                        }

                        if(digitToCheck4 == guess4){
                            currentBulls++;
                            digitToCheck4 = -2;
                            guess4 = -1;
                        }

                        if(digitToCheck == guess2){
                            currentCows++;
                            guess2 = -1;
                        }
                        else if(digitToCheck == guess3){
                            currentCows++;
                            guess3 = -1;
                        }
                        else if(digitToCheck == guess4){
                            currentCows++;
                            guess4 = -1;
                        }


                        if(digitToCheck2 == guess1){
                            currentCows++;
                            guess1 = -1;
                        }
                        else if(digitToCheck2 == guess3){
                            currentCows++;
                            guess3 = -1;
                        }
                        else if(digitToCheck2 == guess4){
                            currentCows++;
                            guess4 = -1;
                        }

                        if(digitToCheck3 == guess1){
                            currentCows++;
                            guess1 = -1;
                        }
                        else if(digitToCheck3 == guess2){
                            currentCows++;
                            guess2 = -1;
                        }
                        else if(digitToCheck3 == guess4){
                            currentCows++;
                            guess4 = -1;
                        }

                        if(digitToCheck4 == guess1){
                            currentCows++;
                            guess1 = -1;
                        }
                        else if(digitToCheck4 == guess2){
                            currentCows++;
                            guess2 = -1;
                        }
                        else if(digitToCheck4 == guess3){
                            currentCows++;
                            guess3 = -1;
                        }


                        if(currentBulls == targetBulls && currentCows == targetCows){
                            System.out.print("" + digit1 + digit2 + digit3 + digit4);
                            solutionFound = true;

                            if(solutionFound){
                                System.out.print(" ");
                            }


                        }
                    }
                }
            }
        }

        if(solutionFound == false){
            System.out.println("No");
        }
    }

}