# Write a program that switches the values stored in the variables a and b.

# print("a: ")
# a = int(input())
# print("b: ")
# b = int(input())

# c = a
# a = b
# b = c

# print("a: " + str(a) +"\n" + "b: "+ str(b))

a = input("a:")
b = input("b:")
c = a
a = b
b = c
print("a= "+ a)
print("b= "+ b)