aaadbreader.java

package olympiads;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class aaadbreader {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	static StringTokenizer st;
	public static void main( String[] args ) throws IOException {
		
	}
	static long readLong() throws IOException {

		return Long.parseLong(next());
	}
	static int readInt() throws IOException {

		return Integer.parseInt(next());
	}
	static double readDouble() throws IOException {

		return Double.parseDouble(next());
	}
	static char readCharacter() throws IOException {

		return next().charAt(0);
	}
	static String readLine() throws IOException {

		return br.readLine().trim();
	}
	static String next() throws IOException {
		
		while (st == null || !st.hasMoreTokens()) {
			st = new StringTokenizer( br.readLine().trim() );
		}
		return st.nextToken();
		
	}
}