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 de.at.codejam.problem3.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.StringTokenizer;

import de.at.codejam.problem3.Problem3Case;
import de.at.codejam.util.AbstractInputFileParser;
import de.at.codejam.util.TaskStatus;

public class Problem3InputFileParser extends
		AbstractInputFileParser<Problem3Case> {

	private int nextCaseNumber = 1;
	private int nextCaseLine = 2;

	public Problem3InputFileParser(File inputFile) {
		super(inputFile);
	}

	@Override
	public Problem3Case getNextCase() throws IOException {

		Problem3Case problem3Case = new Problem3Case();

		TaskStatus taskStatus = getTaskStatus();
		BufferedReader bufferedReader = null;

		try {

			bufferedReader = checkoutBufferedReader();
			taskStatus.setNumberCurrentCase(nextCaseNumber);

			List<String> lineList = readLines(bufferedReader, nextCaseLine, 1);

			String stringCase = lineList.get(0);
			StringTokenizer stringTokenizer = new StringTokenizer(stringCase,
					" ");

			String numberA = stringTokenizer.nextToken().trim();
			String numberB = stringTokenizer.nextToken().trim();

			problem3Case.setNumberA(numberA);
			problem3Case.setNumberB(numberB);

			nextCaseNumber++;
			nextCaseLine += 1;

		} finally {
			if (null != bufferedReader) {
				try {
					checkinBufferedReader(bufferedReader);
				} catch (IOException e) {

				}
			}
		}

		return problem3Case;
	}

}
