Poj Solution 1663

http://poj.org/problem?id=1663

//* @author  mekarlos@gmail.com
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in));
        int n=new Integer(stdin.readLine());    
        StringTokenizer tokens;
        int x,y;
        for(int i=0;i< n;i++){
            tokens=new StringTokenizer(stdin.readLine());
            x=new Integer(tokens.nextToken());        
            y=new Integer(tokens.nextToken());
            if(x==y||(x-2)==y)System.out.println(x+y-x%2);
            else System.out.println("No Number");
        }
    }
}