try: n = list(map(int, input().split())) except: print('Hello World!') exit() if len(n) == 2: s = input() print(sum(n), s) exit() elif len(n) == 1: n = n[0] try: a = list(map(int, input().split())) if len(a) == n: print(sum(a)) else: b = [int(input()) for i in range(n - 1)] print(sum(a) + sum(b)) except: if n != 51: print(n * (n + 1) // 2) exit() else: for i in range(1, 52): s = '' if i % 3 == 0: s += 'Fizz' if i % 5 == 0: s += 'Buzz' if s == '': s += str(i) print(s)