#print("Hello")
#print("Hello\nWorld")
# print("'Hello'")
# print("\"Hello World\"")
# print("\"!@#$%^&*()'")
# print("\"C:\Download\\'hello'.py\"")
# print("print(\"Hello\\nWorld\")")
# a = input()
# print(a+10)
# n = int(input())
# print(n)
# n = float(input())
# print(n)
# a = int(input())
# b = int(input())
# print(a, b,sep="\n")
# a = input()
# b = input()
# print(b,a,sep='\n')
# a = float(input())
# print(a,a,a,sep='\n')
# a,b = map(int,input().split())
# print(a,b,sep='\n')
# a ,b = input().split()
# print(b,a)
# a = input()
# print(a,a,a)
# a = input()
# print(a)
# a,b,c = map(int, input().split('.'))
# print(c,b,a,sep='-')
# a = int(input())
# if a==1 or a==2 or a==12:
# print("winter")
# elif a==3 or a==4 or a==5:
# print("spring")
# elif a==6 or a==7 or a==8:
# print("summer")
# else:
# print("fall")
# a = input()
# if a=='A':
# print("best!!!")
# elif a=='B':
# print("good!!")
# elif a=='C':
# print("run!")
# elif a=='D':
# print("slowly~")
# else :
# print("what?")
# a = input()
#
# print(a[0],a[1],' ',a[2],a[3],' ',a[4],a[5],sep='')
# a,b,c = input().split(':')
# print(b)
# a,b = input().split()
# print (a,b,sep='')
# a,b = map(int,input().split())
# print (a+b)
# a=float(input())
# b=float(input())
# print (a+b)
# a = int(input())
# print("%x"%a)
# a = int(input())
# print("%X"%a)
# a = int(input(),16)
# print("%o" %a)
# a = input()
# print(ord(a))
# a = int(input())
# print (chr(a))
# a = int(input())
# print(-a)
# a = ord(input())
# print(chr(a+1))
# a, b = map(int,input().split())
# print(a-b)
# a = int(input())
# if a<=100 and 90<=a:
# print("A")
# elif a<90 and 70<=a:
# print("B")
# elif a<70 and 40<=a:
# print("C")
# else:
# print("D")
# a = int(input())
# if a<0:
# if a%2==0:
# print("A")
# else:
# print("B")
# else:
# if a%2==0:
# print("C")
# else:
# print("D")
# a = int(input())
# print(a*2)
# a,b,c = map(int,input().split())
# n = a+b+c
# m = n / 3
# print("%d" %n,end=' ')
# print("%.02f" %m)
# a,b = map(int, input().split())
# print(a==b)
# a,b = map(int, input().split())
# print(not a==b)
# a,b=map(float,input().split())
# print (a**b)
# a = float(input())
# print("%.02f" %a)
# a,b = map(int,input().split())
# print("True" if a==1 and b==1 else "False")