Google Code Jam 2014 Qualification Round A Magic Trick

// Google Code Jam 2014 Qualification Round A Magic Trick
// Problems: https://code.google.com/codejam/contest/2974486/dashboard#s=p0
import java.io.*;
import java.math.*;
import java.text.*;
import java.util.*;

//Google Code Jam
public class GoogleCode1 {
private static MyScanner in;
private static PrintStream out = System.out;
private static PrintStream sysout = System.out;
static int caseNum;

private static void solve() throws IOException
{
PreCompute();
int C = in.nextInt();
for (int i = 0; i < C; i++) {
caseNum = i + 1;
out.print("Case #" + caseNum + ": ");
solveCase();
}
}

private static void PreCompute() {
}

private static void solveCase() throws IOException {
int g1 = in.nextInt();
int[] r1 = new int[4];
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
if (i + 1 == g1)
r1[j] = in.nextInt();
else
in.nextInt();
}
}
int g2 = in.nextInt();
int[] r2 = new int[4];
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
if (i + 1 == g2)
r2[j] = in.nextInt();
else
in.nextInt();
}
}
int match = 0;
int num = 0;
for (int i = 0; i < 4; i++) {
int x = r1[i];
for (int j = 0; j < 4; j++) {
if (x == r2[j]) {
num = x;
match++;
}
}
}
if (match == 1)
out.println(num);
else if (match == 0)
out.println("Volunteer cheated!");
else
out.println("Bad magician!");
}

public static void main(String[] args) throws IOException {
// helpers for input/output
boolean usingFileForIO = true;
if (usingFileForIO) {
// using input.txt and output.txt as I/O
in = new MyScanner("E:\\zin.txt");
out = new PrintStream("E:\\zout.txt");
}
else {
in = new MyScanner();
out = System.out;
}

solve();
}

// =====================================
static class MyScanner {
Scanner inp = null;

public MyScanner() throws IOException
{
inp = new Scanner(System.in);
}

public MyScanner(String inputFile) throws IOException {
inp = new Scanner(new FileInputStream(inputFile));
}

public int nextInt() throws IOException {
return inp.nextInt();
}

public long nextLong() throws IOException {
return inp.nextLong();
}

public double nextDouble() throws IOException {
return inp.nextDouble();
}

public String nextString() throws IOException {
return inp.next();
}

public String nextLine() throws IOException {
return inp.nextLine();
}
}

}