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Read three integers from input and assign them to side$1,$ side$2,$ and side$3,$ respectively. Then, output the sum of the three integers, followed by a newline.

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import java.util.Scanner;

public class Perimeter $\{$

public static void main$($String $$ args$)\{$

Scanner scnr $=$ new Scanner$($

System.in$)$;

int side$1$;

int sidez;

int side$3$;

$**$ Your code goes here $*/.$

$\}$

$\}$