"""
num = input("请输入一个数字 -> 1, 表示愿意认真学习 / 2, 表示躺平摆烂 : ")
num = int(num)
if num == 1:
    print("You are a good student")
elif num == 2:
    print("You are a garbage")
"""

# a = input("输入一个数字: ")
# if a == "1":
#     print("hello")
#     print("world")

# num = input("输入一个数字: ")
# num = int(num)
# if (num & 1) == 1:
#     print(f"{num} 是奇数")
# else:
#     print(f"{num} 是偶数")

# num = int(input("输入一个数字: "))
#
# if num < 0:
#     print(f"{num} 是负数")
# elif num > 0:
#     print(f"{num} 是正数")
# else:
#     print(0)

# year = int(input("输入一个年份: "))
#
# if year % 4 == 0 and year % 100 != 0:
#     print(f"{year} 是普通闰年")
# elif year % 400 == 0:
#     print(f"{year} 是世纪闰年")
# else:
#     print(f"{year} 不是闰年")

num = input("num = ")

if num == "1":
    pass
else:
    print("num != 1")