I just came home from a job interview, and the interviewer asked me to write a program:

It should, count from 1 to 100, and print...

If it was multiple of 3, "ping"  

If it was multiple of 5, "pong"  

Else, print the number.

If it was multiple of 3 AND 5 (like 15), it should print "ping" and "pong".

I chose Javascript, and came up with this:

```
for (x=1; x <= 100; x++){
    if( x % 3 == 0 ){
        write("ping")
    }
    if( x % 5 == 0 ){
        write("pong")
    }
    if( ( x % 3 != 0 ) && ( x % 5 != 0 ) ){
        write(x)
    }
}

```

Actualy, I left very unhappy with my solution, but I can't figure out a better one.

Does anyone knows a better way to do that?
It's checking twice, I didn't like it.
I ran some tests here at home, without success, this is the only one that returns the correct answer...