소스 코드 제출

# n,  m=input().split(':')# print(n, m, sep=':')# a, b, c=input().split('.')# print(c, b, a, sep='-')# n, m=input().split('-')# print(n, m, sep='')# n=input()# print(n[0])# print(n[1])# print(n[2])# print(n[3])# print(n[4])# n=input()# print(n[0:2], n[2:4], n[4:6])# a, b, c=input().split(':')# print(b)# n, m=input().split()# print(n, m, sep='')# n, m=map(int, input().split())# print(n+m)# n=float(input())# m=float(input())# print(n+m)# n=int(input())# print('%x'% n)# n=int(input())# print('%X'% n)# n=input()# m=int(n, 16)# print('%o'% m)# n=ord(input())# print(n)# n=int(input())# print(chr(n))# n=float(input())# print(format(n, ".2f"))# n, m=map(float, input().split())# print(format(n/m, ".3f"))# n, m = map(int, input().split())# print(n+m)# print(n-m)# print(n*m)# print(n//m)# print(n%m)# print (format(n/m, ".2f"))# a, b, c=map(int, input().split())# print(a+b+c, (format((a+b+c)/3, ".2f")))# n=int(input())# print(n*2)# n, m=map(int, input().split())# print(n*(2**m))# n, m=map(int, input().split())# print(n<m)# n, m=map(int, input().split())# print(n==m)# n, m=map(int, input().split())# print(n<=m)# n, m=map(int, input().split())# print(n!=m)# n=int(input())# print(n!=0)# n=int(input())# print(n==0)# n, m=map(int, input().split())# print(bool(n) and bool(m))# n, m=map(int, input().split())# print(bool(n) or bool(m))# n, m=map(int, input().split())# print((bool(n) and bool(not m)) or (bool(not n) and bool(m)))# n, m=map(int, input().split())# print((bool(not n) and bool(not m)) or (bool(n) and bool(m)))# n, m=map(int, input().split())# print(bool(not n) and bool(not m))# a = 500# if a==10 :#     print("hello")# elif 500<a<1000 :#     pass# elif a%5==0 or a>50 :#     pass# else :#     print("bye")# a, b, c=map(int, input().split())# if a%2==0:#     print(a)# if b%2==0:#     print(b)# if c%2==0:#     print(c)# a, b, c=map(int, input().split())# 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=int(input())# if n<0:#     if n%2==0:#         print("A")#     else:#         print("B")# if n>0:#     if n%2==0:#         print("C")#     else:#         print("D")# n=int(input())# if n>=90:#     print("A")# else:#     if n>=70:#         print("B")#     else:#         if n>=40:#             print("C")#         else:#                 print("D")# n=str(input())# if n=='A':#     print("best!!!")# elif n=='B':#     print("good!!")# elif n=='C':#     print("run!")# elif n=='D':#     print("slowly~")# else:#     print("what?")# n=int(input())# if 1<=n<=2 or n==12:#     print("winter")# elif 3<=n<=5:#     print("spring")# elif 6<=n<=8:#     print("summer")# else:#     print("fall")