/*
 * Take two numbers from the command line and print the fist one 
 * in the base given by the second.
 */

package main

import (
       "fmt"
       "os"
)

func main() {
	// Declare two integers variables.
	var num, base int
	fmt.Sscan(os.Args[1], &num)
	fmt.Sscan(os.Args[2], &base)
	var orignum, origbase = num, base

	// Build the result right-to-left, in the string res.
	res := ""
	for num > 0 {
		digit := num % base
		num /= base
		if digit < 10 {
			res = fmt.Sprint(digit) + res
		} else {
			res = fmt.Sprintf("%c", 'A'+digit-10) + res
		}
	}

	if(res == "") { res = "0" }

	fmt.Printf("%d in base %d is %s\n", orignum, origbase, res)
}