20231212

# a,b=input().split()# a=int(a)# b=int(b)# print((bool(not a)) and bool(not b))# a= input()# a=int(a)# print(~a)# a,b=input().split()# a=int(a)# b=int(b)# print(a&b)# a,b=input().split()# a=int(a)# b=int(b)# print(a|b)# a,b=input().split()# a=int(a)# b=int(b)# print(a^b)# a,b=input().split()# a=int(a)# b=int(b)# c=(a if(a>=b) else b)# print(int(c))# a,b,c=input().split()# a=int(a)# b=int(b)# c=int(c)# d=(a if a<c else c) if ((a if a<c else c)<b)else b# print(int(d))# a,b,c=input().split()# a=int(a)# b=int(b)# c=int(c)# if a%2==0 :#     print(a)# if b%2==0 :#     print(b)# if c%2==0 :#     print(c)# a,b,c=input().split()# a=int(a)# b=int(b)# c=int(c)# if a%2==0 :#     print("even")# else :#     print("odd")# if b%2==0 :#     print("even")# else:#     print("odd")# if c%2==0 :#     print("even")# else :#     print("odd")# n=input()# n=int(n)# if(n<0)and (n%2==0):#     print('A')# if(n<0)and(n%2!=0):#     print("B")# if(n>0)and(n%2==0):#     print('C')# if(n>0)and(n%2!=0):#     print('D')# n=input()# n=int(n)# if n>=90:#     print('A')# if n<90 and n>=70:#     print('B')# if n<70 and n>=40:#     print('C')# if n<40 and n>=0:#     print('D')# n=input()# if 'A'==n:#     print('best!!!')# elif 'B'==n:#     print('good!!')# elif 'C'==n:#     print('run!')# elif 'D'==n:#     print('slowly~')# else:#     print('what?')# n=input()# n=int(n)# if n//3==1:#     print("spring")# elif n//3==2:#     print("summer")# elif n//3==3:#     print("fall")# else:#     print("winter")# n=1# while n!=0:#     n=int(input())#     if n!=0:#         print(n)# n=input()# n=int(n)# while n!=0:#     print(n)#     n=n-1# n=input()# n=int(n)# while n!=0:#     print(n)# for i in range(5):    # 0 ~ 5-1#     print(i)# for i in range(10, 20): # inclusive(포함된) ~ exclusive(포함되지 않음)#     print(i)# for i in range(10, 30, 2):  # x부터 y 전까지 z만큼 뛰면서#     print(i, end=' ')# for i in range(20, 10, -2):#     print(i, end=' ')# n=input()# n=int(n)# for i in range(n-1, -1, -1):#     print(i)# c=ord(input())# t=ord('a')# while t<=c:#     print(chr(t),end=' ')#     t +=1# n=input()# n=int(n)# for i in range(n+1):#     print(i)# n=int(input())# for i in range(n+1):#     print(i)