if __name__ == '__main__':
     for i in range(1, 20+1):
	 if i % 15 == 0:
            print('FizzBuzz ', end='')
	 elif i % 5 == 0:
             print('Buzz ', end='')
         elif i % 3 == 0:
             print('Fizz ', end='')
        else:
            print(str(i) + ' ', end='')