package jp.funnything.competition.util;

import java.math.BigInteger;

/**
 * Utility for BigInteger
 */
public class BI {
    public static BigInteger ZERO = BigInteger.ZERO;
    public static BigInteger ONE = BigInteger.ONE;

    public static BigInteger add( final BigInteger x , final BigInteger y ) {
        return x.add( y );
    }

    public static BigInteger add( final BigInteger x , final long y ) {
        return add( x , v( y ) );
    }

    public static BigInteger add( final long x , final BigInteger y ) {
        return add( v( x ) , y );
    }

    public static int cmp( final BigInteger x , final BigInteger y ) {
        return x.compareTo( y );
    }

    public static int cmp( final BigInteger x , final long y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final long x , final BigInteger y ) {
        return cmp( v( x ) , y );
    }

    public static BigInteger div( final BigInteger x , final BigInteger y ) {
        return x.divide( y );
    }

    public static BigInteger div( final BigInteger x , final long y ) {
        return div( x , v( y ) );
    }

    public static BigInteger div( final long x , final BigInteger y ) {
        return div( v( x ) , y );
    }

    public static BigInteger mod( final BigInteger x , final BigInteger y ) {
        return x.mod( y );
    }

    public static BigInteger mod( final BigInteger x , final long y ) {
        return mod( x , v( y ) );
    }

    public static BigInteger mod( final long x , final BigInteger y ) {
        return mod( v( x ) , y );
    }

    public static BigInteger mul( final BigInteger x , final BigInteger y ) {
        return x.multiply( y );
    }

    public static BigInteger mul( final BigInteger x , final long y ) {
        return mul( x , v( y ) );
    }

    public static BigInteger mul( final long x , final BigInteger y ) {
        return mul( v( x ) , y );
    }

    public static BigInteger sub( final BigInteger x , final BigInteger y ) {
        return x.subtract( y );
    }

    public static BigInteger sub( final BigInteger x , final long y ) {
        return sub( x , v( y ) );
    }

    public static BigInteger sub( final long x , final BigInteger y ) {
        return sub( v( x ) , y );
    }

    public static BigInteger v( final long value ) {
        return BigInteger.valueOf( value );
    }
}

package com.renoux.gael.codejam.utils;

import java.io.Closeable;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;


public class Output implements Closeable {

    private static String lineSeparator = System.getProperty("line.separator");

    private FileWriter writer;


    private Output(File file) {
        try {
            writer = new FileWriter(file);
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

    public static Output open(File file) {
        System.out.println("======== " + file);
        return new Output(file);
    }

    public void writeLine(String text) {
        System.out.println(text);
        try {
            writer.write(text);
            writer.write(lineSeparator);
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

    public void write(String text) {
        System.out.print(text);
        try {
            writer.write(text);
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

    public void writeLine(Object... text) {
        try {
            for (Object s : text) {
                System.out.print(s);
                writer.write(s.toString());
            }
            System.out.println();
            writer.write(lineSeparator);
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

    public void write(Object... text) {
        try {
            for (Object s : text) {
                System.out.print(s);
                writer.write(s.toString());
            }
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

    public void close() {
        System.out.println("================ closed");
        try {
            writer.close();
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

}
