# n = input()
# s = input()
# print(int(n)*s)
# a,b = input().split()
# print(bool(int(a) and bool(int(b))))
# a,b = input().split()
# print(bool(int(a) or bool(int(b))))
# a,b = input().split()
# c = bool(int(a))
# d = bool(int(b))
# print((c and (not d)) or ((not c) and d))
# a,b = input().split()
# c = bool(int(a))
# d = bool(int(b))
# print((not c and not d) or (c and d))
# a,b = input().split()
# c = bool(int(a))
# d = bool(int(b))
# print((not c and not d))
# a = input()
# a = int(a)
# print(~a)
# a,b = input().split()
# print(int(a)&int(b))
# a,b = input().split()
# print(int(a)|int(b))
# a,b = input().split()
# # print(int(a)^int(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<b else b
# e = d if d<c else c
# e = ( ( c ) if ( b > c ) else ( b ) ) if ( a > b ) else ( ( c ) if ( a > c ) else ( a ) )
# print(e)
# x = int(input())
# if x > 100:
# if x > 50:
# print('asdasd')
# else:
# print('ter4tret')
# else:
# print('werwerwer')
# if x > 50 and x < 100:
# print('asdasd')
# elif 50 < x < 100: # only python(do not remo
# print('asdasd')
# if x % 2 == 0 and x % 5 == 0:
# print('Even')
# else:
# print('Odd')
# if x > 20:
# print('Big')
#
# elif x > 10:
# print('Midlle')
#
# elif x > 5:
# print('Small')
# x = int(input())
#
# if x < 10:
# print('small')
# x = int(input())
# if x < 10:
# print('small')
# else:
# print('big')
# a, b = input().split()
# a = int(a)
# b = int(b)
# if a > b:
# print('>')
# elif a < b:
# print('<')
# elif a == b:
# print('=')
# a,b = input().split()
# a = int(a)
# b = int(b)
# if a > b:
# print(a-b)
# else:
# print('0') # a == b
# print(b-a) # a < b
# elif a < b:
# print(b-a)
# elif a == b:
# print('0')
# n = input()
# n = int(n)
# if n % 7 == 0:
# print('multiple')
# else:
# print('not multiple')