$4.$ Read the three$$integers from the command line window

y

$2$

xn

$31$

Evaluate the $$Pell$$ equation:

f$($x$,$y$,$n$)=$x$2$n$\backslash$times y$2$ Print$$out the result in the command line window.

$$ At the end of the problem clearly state the result $($decimal$)$

$$ In the report include a screen$$shot of the console with the result.