问题 1226: 方砖问题

import java.util.Scanner;

public class Prog1226 {

public static void main(String[] args) throws Exception {

Scanner scan = new Scanner(System.in);

int n = scan.nextInt();

int arr[] = new int[n];

for (int i = 0; i < n; i++) {

arr[i] = scan.nextInt();

}

for (int i = 0; i < n; i++) {

if (arr[i] % 2 == 0)

System.out.println("4");

else

System.out.println(arr[i] + 3);

}

}

}