gistfile1.txt

import java.io.*;
import java.util.*;

public class Main {
	void solve() throws IOException {
		////////////////////
		// Your code here //
		////////////////////

		
	}

	/////////////////////////////////////////////
	// The code below is not important for now //
	///////////////////////////////////////////

	BufferedReader in;
	PrintWriter out;
	StringTokenizer st;

	public Main() throws IOException {
		Locale.setDefault(Locale.US);
		in = new BufferedReader(new InputStreamReader(System.in));
		out = new PrintWriter(new OutputStreamWriter(System.out));
		solve();
		in.close();
		out.close();
	}

	String nextString() throws IOException {
		if (st == null || !st.hasMoreTokens()) {
			st = new StringTokenizer(in.readLine());
		}
		return st.nextToken();
	}

	int nextInt() throws IOException {
		return Integer.valueOf(nextString());
	}

	long nextLong() throws IOException {
		return Long.valueOf(nextString());
	}

	double nextDouble() throws IOException {
		return Double.valueOf(nextString());
	}

	public static void main(String args[]) throws IOException {
		new Main();
	}
}