Reading Input using BufferReader and Readline classes.

import java.io.*;
public class Main
{
 public static void main(String [] args)
{
try
{
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
int testCount = Integer.parseInt(in.readLine());
for (int test = 0; test < testCount; test++)
{
int m,n;
String[] str = in.readLine().split("");
m = Integer.parseInt(str[0]);
n = Integer.parseInt(str[1]);
}

}
}
catch (IOException e)
{}
System.out.println("hi bhupi");
}
}