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%15==0:
        print('FizzBuzz')
    elif i%5==0:
        print('Buzz')
    elif i%3==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)