fizzbuzz.clj

(let [N      (read-line)
      digits (map #(Character/digit % 10) N)
      m3     (rem (apply + digits) 3)
      m5     (rem (last digits) 5)
      answer (cond
               (and (zero? m3) (zero? m5)) "Fizz Buzz"
               (zero? m3) "Fizz"
               (zero? m5) "Buzz"
               :else N)]
  (println answer))

fizzbuzz.go

package main

import (
	"fmt"
)

func main() {
	var N string
	fmt.Scan(&N)
	var x, y int
	for _, r := range N {
		y = int(r - '0')
		x += y
	}
	x %= 3
	y %= 5
	if x == 0 && y == 0 {
		fmt.Println("Fizz Buzz")
		return
	}
	if x == 0 {
		fmt.Println("Fizz")
		return
	}
	if y == 0 {
		fmt.Println("Buzz")
		return
	}
	fmt.Println(x, y)
}