public static void decentNumber(int n) {
  // Start by finding the largest multiple of 3 less than or equal to n
  for (int i = n - (n % 3); i >= 0; i -= 3) {
    int remaining = n - i;

    // Check if the remaining is a multiple of 5
    if (remaining % 5 == 0) {
      // Append '5' i times
      StringBuilder result = new StringBuilder();
      result.append("5".repeat(i));

      // Append '3' (n - i) times
      result.append("3".repeat(remaining));

      System.out.println(result);
      return; // Exit as we've found the solution
    }
  }

  // If no valid number is found, print -1
  System.out.println(-1);
}