Python program to input three unequal numbers and display the greatest and the smallest number

Write a Python code to input three unequal numbers. Display the greatest and the smallest numbers.

Sample Input:28,98,56

Sample Output: Greatest Number:98

Smallest Number:28

max=min=0
a=int(input("Enter first number:"))
b=int(input("Enter second number:"))
c=int(input("Enter third number:"))
if((a>b) and (a>c)):
	max=a
if((b>a) and (b>c)):
	max=b
if((c>a) and (c>b)):
	max=c
if((a<b) and (a<c)):
	min=a
if((b<a) and (b<c)):
	min=b
if((c<a) and (c<b)):
	min=c
print("Greatest Number :",max)
print("Smallest Number :",min)

Enter first number:5

Enter second number:9

Enter third number:4

Greatest Number : 9

Smallest Number : 4