Need help in C language

Question

You will be given 3 integers as input. The inputs may or may not be
 different from each other. 

You have to output 1 if all three inputs
 are different from each other, 
and 0 if any input is repeated more
 than once.

Input
-----
Three integers on three lines.

Output
------
1 if the three inputs are different from each other
, 0 if some input is repeated more than once

Answer 1

If first number is different from the second number,the second number is different from the third number and the third number is different from the first number, print 1 else print 0
Good luck!