20221020

# a, b = input().split()
# a = int(a)
# b = int(b)
# c = a-b
# print(c)

# a, b = input().split()
# a = float(a)
# b = float(b)
# m = a*b
# print(m)

# a, b = input().split()
# print(a*int(b))

# a = input()
# b = input()
# print(int(a)*b)

# a, b = input().split()
# a = int(a)
# b = int(b)
# c = a**b
# print(c)

# a, b = input().split()
# a = float(a)
# b = float(b)
# c = a**b
# print()

# a, b = input().split()
# a = int(a)
# b = int(b)
# c = a//b
# print(c)

# a, b = input().split()
# a = int(a)
# b = int(b)
# c = a%b
# print(c)

# a = input()
# a = float(a)
# print(format(a,".2f"))

# a, b = input().split()
# a = float(a)
# b = float(b)
# c = a/b
# print(format(c,".3f"))

# a, b = input().split()
# a = int(a)
# b = int(b)
# c = a + b
# print(c)
# q = a - b
# print(q)
# w = a * b
# print(w)
# e = a // b
# print(e)
# r = a % b
# print(r)
# t = a / b
# print(format(t,".2f"))

# a, s, d = input().split()
# a = int(a)
# s = int(s)
# d = int(d)
# q = a + s + d
# print(q, end=' ')
# q = int(q)
# c = q / 3
# print(format(c,".2f"))

# x, y = input().split()
# x = int(x)
# y = int(y)
#
# print(x > y)

# 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)
# print(a != b)

# a = int(input())
# print(bool(a))

# a > 10 && a < 20
# a > 10 and a < 20

# a == 3 || a == 5
# a == 3 or a == 5

# not(a==0) < !(a==0)

# x, y = input().split()
# x = bool(int(x))
# y = bool(int(x))