Program1

@echo off
echo Michael Harrison - %time% %date%>>results.txt

:whileLoop

set /p numberOne="Enter an Integer (999 to exit): "
:: Check to make sure we got a number and not string input
set /a numberOneVal="%numberOne%"*1
if %numberOneVal% EQU 0 (
    echo Not a Number!
    goto whileLoop
)
:: Check to see if we have 999 exit
if %numberOne% EQU 999 (
    goto getMeOutOfHere
)
set /p numberTwo="Enter a 2nd non-zero Integer (999 to exit): "
:: Check to make sure we got a real positive integer
if %numberTwo% EQU 0 (
    echo You have entered a zero!
    goto whileLoop
)
:: Check to make sure we got a number and not string input
set /a numberTwoVal="%numberTwo%"*1
if %numberTwoVal% EQU 0 (
    echo Not a Number!
    goto whileLoop
)
:: Check to see if we have 999 exit
if %numberTwo% EQU 999 (
    goto getMeOutOfHere
)

set /a moduloVal="%numberOne%" %% "%numberTwo%"

echo Number One: %numberOne%  Number Two: %numberTwo%  Modulus: %moduloVal%
(echo %numberOne% %% %numberTwo% = %moduloVal%)>>results.txt
goto whileLoop

:getMeOutOfHere
echo Exiting Program
pause
exit