Evaluate the following code to determine the output.

Class Foo $x$

public int $1=66$;

public foo$($int i$)\{$

this.i $=$ i;

$\}$

$\}$

$...$

Foo x $=$ Foo$(62),$ y $=$ new Foo$(21)$;

y$=$x

y$.$i $=25$

System.out.println$($x$.$i$)$;