a = input()
print("Hello World!")


N = int(input())
print(N*(N-1)//2)


A, B = map(int, input().split())
S = input()
print(A+B, S)


N = int(input())
for i in range(1, N+1):
    if i % 3 == 0 and i % 5 == 0:
        print("FizzBuzz")
    elif i % 3 == 0:
        print("Fizz")
    elif i % 5 == 0:
        print("Fizz")
    else:
        print(i)
N = int(input())
A = list(map(int, input().split()))
print(sum(A))
N = int(input())
ans = 0
for i in range(N):
    ans += int(input())
print(ans)