Problem 10474 - Where is the Marble? (Test generator)

/*
    Problem 10474 - Where is the Marble? Test generator

    Compile and run:
    javac Test.java
    java Test > in.txt

*/

import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.Random;

public class Test {
    public static void main(String[] args) throws IOException{
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(java.io.FileDescriptor.out), "ASCII"), 4096);
    int MAX  = 10000;
        int TEST = 64;
        Random r = new Random();
    for (int i = 0; i < TEST; i++){
        int N = r.nextInt(MAX);
        int Q = r.nextInt(MAX);
        out.write(N + " " + Q + "\n");
            for (int j = 1; j <= N; ++j) {
                    int v = Math.abs(r.nextInt(MAX));
            out.write(v + "\n");
            }
            for (int j = 1; j <= Q; ++j) {
                    int v = Math.abs(r.nextInt(MAX));
            out.write(v + "\n");
            }
    }
    out.write("0 0\n");
        out.flush();
        out.close();

    }
}