211214

'''
class wtf:

    a = 0
    b = 0
    def __init__(self, a, b):
        self.a = a
        self.b = b
        self.show()

    def show(self):
        print(self.a, self.b)

x, y = input().split()
a = wtf(int(x), int(y))


'''
# class triangle:
#     def __init__(self,num):
#         self.n = num
#         self.triangles = []
#
#         for i in range(1, self.n):
#             for j in range(1, self.n):
#                 for k in range(1, self.n):
#                     if i+j+k == self.n:
#                         self.isTriangle(i,j,k)
#
#     def isTriangle(self,num1, num2, num3):
#         li = [num1,num2,num3]
#         li.sort()
#
#         if li[2] < li[0]+li[1] and li not in self.triangles:
#             self.triangles.append(li)
#
#
# helloworld = triangle(int(input()))
# print(len(helloworld.triangles))

# import math
# 
# a, b = map(int, input().split())
# 
# print(math.factorial(a)//(math.factorial(b) * math.factorial(a-b)))