diy.py

# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
#ssj1=open('C:\\Users\\玛酷机器人\\Desktop\\test.txt','w',encoding='utf-8')
#ssj1.write('小兰:12本、小丽:11本、李文:9本、张伟:16本、')
#ssj1.close()
# with open('C:\\Users\\玛酷机器人\\Desktop\\test.txt','r',encoding='utf-8')as ssj1:
#     for data in ssj1:
#         if'小强:10本'in data:
#             print('数据在文件中')
#         if'小兰:12本'in data:
#             print('数据在文件中')
# import random
# a=random.randint(0,100)
# if a>90:
#     print('A')
# elif a>80:
#     print('B')
# elif a>70:
#     print('D')
# else:
#     print('D')
# a=[3,4,9,13]
# b=[i for i in a if i<=5]
# print(b)
import random
a=int(input('请输入一个数:'))
if a%2==0:
    print('no')
else:
    print('yes')