作者：宣泽玺         更新时间：2024-08-25 17:03          浏览：54次         点赞：3次          热度：22

'''a=int(input()) b=int(input()) max=max(a,b) while 1: if max%a==0 and max%b==0: break max+=1 print(max) while 1: a=float(input('chang')) b=float(input('kuan')) c=float(input('gao')) if a+b+c<=200 and a<=80 and b<=80 and c<=80: print('可以邮寄') else: print('不可以邮寄') a='**Welcome to 2023~!' s='' d='' w='' for i in a: if i>='A'and i<='Z'or i>='a'and i<='z': s+=i elif i>='0'and i<='9': d+=i else: w+=i print(s,len(s)) print(d,len(d)) print(w,len(w)) a=int(input()) b=int(input()) c=int(input()) a1=input() b1=input() c1=input() q=[a1,b1,c1] w=[a,b,c] print(max(w),q[w.index(max(w))]) while 1: a=input() if len(a)%2==0: print(a[-1]) else: print(a[-len(a)//2])''' a=input() s=[] for i in range(1,len(a),2): s.append(a[i]) print(s)