Integer numWeights is read from input. Then, numWeights integers are read from input and inserted at the end of weightList. If an element is even in weightList, subtract $1$ from the element.

Ex: If the input is:

$2$

$1821$

then the output is:

$1721$

Note: Integer $i$ is even if $i\%2==0.$

import java.util.Scanner;

import java.util.Arraylist;

public class WeightListModification $\{$

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

Scanner scnr $=$ new Scanner$($System$.$ in$)$;

ArrayList$=>i=++i$