command - how to pass input to .exe in batch file?

Question

I have a .exe which requires 3 integers as input. For example:

myCode.exe < input.txt

In input.txt:

2
3
8

Now I want to put the command in a batch file. how can I write the batch file? (Here I want to pass 3 fixed integers in the batch file)

THANKS!

Answer 1

This may also work:

(
echo 2
echo 3
echo 8
) | mycode.exe