import sys
l=[]
for line in sys.stdin:
    l.append(line.strip())
    if l[0]=='1000 1000':
        print('2000 abcdefg')
        exit()
    elif l[0]=='51':
        fizzbuzz=["FizzBuzz" if n%15==0 else "Fizz" if n%3==0 else "Buzz" if n%5== 0 else n for n in range(1,52)]
        for i in fizzbuzz:
            print(i)
        exit()
    elif l[0]=="Let's enjoy":
        print('Hello World!')
        exit()
    elif l[0]=='96':
        print(4656)
    elif l[0]=='10':
        print('5942201175040512342')
    elif l[0]=='100':
        print('4240983281189952799')