Notes

public class PasswordGenerator {
public static int findPassword(int input1, int input2, int input3, int input4, int input5) {
List<Integer> stableNumbers = new ArrayList<>();
List<Integer> unstableNumbers = new ArrayList<>();

// Helper method to check if a number is stable or unstable
boolean isStable(int number) {
int[] digitCounts = new int[10];
for (char digit : String.valueOf(number).toCharArray()) {
digitCounts[digit - '0']++;
}
int firstCount = digitCounts[Character.getNumericValue(String.valueOf(number).charAt(0))];
for (int count : digitCounts) {
if (count != 0 && count != firstCount) {
return false;
}
}
return true;
}

// Checking stability for each input number
int[] inputNumbers = {input1, input2, input3, input4, input5};
for (int number : inputNumbers) {
if (isStable(number)) {
stableNumbers.add(number);
} else {
unstableNumbers.add(number);
}
}

// Calculating the password
int password = Collections.max(stableNumbers) + Collections.min(unstableNumbers);
return password;
}

public static void main(String[] args) {
int input1 = 12;
int input2 = 1313;
int input3 = 122;
int input4 = 678;
int input5 = 898;

int password = findPassword(input1, input2, input3, input4, input5);
System.out.println(password);
}
}