#!/usr/bin/env swift;
/******************************************************************************
 * This program reads bytes from STDIN and prints them in decimal format.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import Foundation
import Utils

// Begin Main
var c:UInt8?
var count:Int = 0
c = Utils.getbyte(FileHandle.standardInput)
while c != nil {
	print(String(c!) + " ", terminator: "")
	count += 1
	if count % 20 == 0 {
		print()
	}
	c = Utils.getbyte(FileHandle.standardInput)
}
if count % 20 != 0 {
	print()
}

exit(EXIT_SUCCESS)