if let input = readLine(), let numbers = { let tempNumbers = input.split(separator: " ").compactMap({Int($0)}) return tempNumbers.isEmpty ? nil : tempNumbers }() { var min = numbers[0] var max = numbers[0] for num in numbers { min = min > num ? num : min max = max < num ? num : max } print("To. Cuty Rino\n최소값 : \(min)\n최대값 : \(max)\n") } else { print("좀 더 노력할게.. 리노야...") }