CP_template.java

import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.BigInteger;

public class main {

	public static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;

	    public FastReader() {
	        br = new BufferedReader(new
	                 InputStreamReader(System.in));
	    }

	    String next() {
	        while (st == null || !st.hasMoreElements()) {
	            try {
	                st = new StringTokenizer(br.readLine());
	            }
	            catch (IOException  e) {
	                e.printStackTrace();
	            }
	        }
	        return st.nextToken();
	    }

	    int nextInt() {
	        return Integer.parseInt(next());
	    }

	    long nextLong() {
	        return Long.parseLong(next());
	    }

	    double nextDouble() {
	        return Double.parseDouble(next());
	    }

	    String nextLine() {
	        String str = "";
	        try {
	            str = br.readLine();
	        }
	        catch (IOException e) {
	            e.printStackTrace();
	        }
	        return str;
	    }
	}

	public static void main (String[] args) throws java.lang.Exception {
		FastReader in = new FastReader();
		// int n = in.nextInt();
	}
}