the program has to accept an integer and in the output, yes to be displayed if the integer uses 3 unique numbers, else no

Question

Example Input/Output 1:
Input:
1221255
Output:
yes
Example Input/Output 2:
Input:
1024
Output:
no

Answer 1

Hint:
* Transform the number into string
* Make a set object out of the string
* Check how many elements contained in the set
* If it counts to three elements exactly, print "yes" otherwise "no"

You can do this, give it a try! 👍

Answer 2

Ok,I am trying thanks a lot for the suggestion