def fizz_buzz(n):
##    if n%3==0:
##        fizz = True
##    else:
##        fizz = False
##    if n%5==0:
##        buzz = True
##    else:
##        buzz = False;
##    if fizz and buzz:
##        return "FizzBuzz"
##    elif fizz:
##        return "Fizz"
##    elif buzz:
##        return "Buzz"
##    else:
##        return n


    result =  "Fizz" if n%3 == 0 else ""
    result += "Buzz" if n%5 == 0 else ""
    return result if result else n


##    if n%3 == 0:
##        if n%5 == 0:
##            return "FizzBuzz"
##        else:
##            return "Fizz"
##    elif n%5 == 0:
##        return "Buzz"
##    else:
##        return n
    
##    if n%15 == 0:
##        return "FizzBuzz"
##    if n%3 == 0:
##        return "Fizz"
##    if n%5 == 0:
##        return "Buzz"
##    return n

      
n = int(input("enter integer: " ))
print(fizz_buzz(n))