def n_decimal_to_10(x):
    out = 0
    for i in range(len(str(x))):
        out += int(x[i])*(4**(len(str(x))-i-1))
    return out
x = input()
x4 = n_decimal_to_10(x)
if (x4 % 3) == 0 and (x4 % 5) ==0:
    print ("FizzBuzz")
elif (x4 % 3) == 0 :
    print ("Fizz")
elif (x4 % 5) == 0:
    print ("Buzz")
else:
    print(x)