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 );
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;


public class FileRW {
	
	
	public static List<String> readFile(String fileName) throws IOException{
		
		List<String> lines = new ArrayList<>();
		BufferedReader reader = new BufferedReader(new FileReader(fileName));
		String line = reader.readLine();
		
		while(line != null){
			lines.add(line.trim());
			line = reader.readLine();
		}
		reader.close();
		lines.remove(0);
		
		return lines;
	}
	
	
	public static void writeOutput(String fileName, List<String> result) throws IOException{
		
		StringBuilder out = new StringBuilder();
		String prefix = "Case #";
		for (int i = 0; i < result.size(); i++) {
			out.append(prefix + (i + 1) + ": " + result.get(i) + "\n");
		}
		BufferedWriter writer = new BufferedWriter(new FileWriter(fileName));
		writer.write(out.toString());
		writer.close();
		
	}


	public static void writeOutput2(String fileName, String result) throws IOException {
		
		BufferedWriter writer = new BufferedWriter(new FileWriter(fileName));
		writer.write(result);
		writer.close();
		
	}
	
}
