function bullsAndCows(input) {

    let guessNumber = Number(input[0]);
    let targetBulls = Number(input[1]);
    let targetCows = Number(input[2]);

    let solutionFound = false;
    let result = ""; //variable for result

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

                    let guessDigit1 = Math.floor(guessNumber / 1000) % 10;
                    let guessDigit2 = Math.floor(guessNumber / 100) % 10;
                    let guessDigit3 = Math.floor(guessNumber / 10) % 10;
                    let guessDigit4 = Math.floor(guessNumber / 1) % 10;

                    let digitToCheck1 = digit1;
                    let digitToCheck2 = digit2;
                    let digitToCheck3 = digit3;
                    let digitToCheck4 = digit4;

                    let currentBulls = 0;
                    let currentCows = 0;

                    // Find all bulls, count them and remove them (assign -1 and -2)
                    if (digitToCheck1 === guessDigit1) {
                        // Bull at position #1 found -> count it and remove it
                        currentBulls++;
                        guessDigit1 = -1;
                        digitToCheck1 = -2;
                    }

                    if (digitToCheck2 === guessDigit2) {
                        // Bull at position #2 found -> count it and remove it
                        currentBulls++;
                        guessDigit2 = -1;
                        digitToCheck2 = -2;
                    }

                    if (digitToCheck3 === guessDigit3) {
                        // Bull at position #3 found -> count it and remove it
                        currentBulls++;
                        guessDigit3 = -1;
                        digitToCheck3 = -2;
                    }

                    if (digitToCheck4 === guessDigit4) {
                        // Bull at position #4 found -> count it and remove it
                        currentBulls++;
                        guessDigit4 = -1;
                        digitToCheck4 = -2;
                    }

                    // Find all cows for digitToCheck1, count them and remove them (assign -1)
                    if (digitToCheck1 === guessDigit2) {
                        // Cow at position #2 found -> count it and remove it
                        currentCows++;
                        guessDigit2 = -1;

                    } else if (digitToCheck1 === guessDigit3) {
                        // Cow at position #3 found -> count it and remove it
                        currentCows++;
                        guessDigit3 = -1;

                    } else if (digitToCheck1 === guessDigit4) {
                        // Cow at position #4 found -> count it and remove it
                        currentCows++;
                        guessDigit4 = -1;
                    }

                    // Find all cows for d2, count them and remove them (assign -1)
                    if (digitToCheck2 === guessDigit1) {
                        // Cow at position #1 found -> count it and remove it
                        currentCows++;
                        guessDigit1 = -1;

                    } else if (digitToCheck2 === guessDigit3) {
                        // Cow at position #3 found -> count it and remove it
                        currentCows++;
                        guessDigit3 = -1;

                    } else if (digitToCheck2 === guessDigit4) {
                        // Cow at position #4 found -> count it and remove it
                        currentCows++;
                        guessDigit4 = -1;
                    }

                    // Find all cows for d3, count them and remove them (assign -1)
                    if (digitToCheck3 === guessDigit1) {
                        // Cows at position #1 found -> count it and remove it
                        currentCows++;
                        guessDigit1 = -1;

                    } else if (digitToCheck3 === guessDigit2) {
                        // Cow at position #2 found -> count it and remove it
                        currentCows++;
                        guessDigit2 = -1;

                    } else if (digitToCheck3 === guessDigit4) {
                        // Cow at position #4 found -> count it and remove it
                        currentCows++;
                        guessDigit4 = -1;
                    }

                    // Find all cows for d4, count them and remove them (assign -1)
                    if (digitToCheck4 === guessDigit1) {
                        // Cows at position #1 found -> count it and remove it
                        currentCows++;
                        guessDigit1 = -1;

                    } else if (digitToCheck4 === guessDigit2) {
                        // Cow at position #2 found -> count it and remove it
                        currentCows++;
                        guessDigit2 = -1;

                    } else if (digitToCheck4 === guessDigit3) {
                        // Cow at position #3 found -> count it and remove it
                        currentCows++;
                        guessDigit3 = -1;
                    }

                    if (currentBulls === targetBulls && currentCows === targetCows) {
                        if (solutionFound) {
                            //console.log(" ");
                            result += " ";
                        }

                        //console.log(`${digit1}${digit2}${digit3}${digit4}`);
                        result += `${digit1}${digit2}${digit3}${digit4}`;
                        solutionFound = true;
                    }
                }
            }
        }
    }

    if (!solutionFound) {
        console.log('No');
    }
    else {
        console.log(result);
    }
}