def fizz_buzz(t):
  
  if t % 3 == 0 and t % 5 == 0:
    return 'FizzBuzz'
    
  elif t % 3 == 0:
    return 'Fizz'
    
  elif t % 5 == 0:
    return 'Buzz'
    
  else:
    return (t)
print fizz_buzz(15)