import java.util.Scanner;


public class UnitConversions
{

    public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);

        double unitTotal = 1;
        double unitLiters = 3.79;
        double unitCenti = 2.5;
        double unitKilograms = 0.45359237;
        double unitKilometers = 1.609344;


        System.out.println("Please enter a value:");
        String unitValue = in.nextLine();
        double doubleUnitValue = Double.valueOf(unitValue);

        System.out.println("Please enter a conversion type: \nGL for Gallons to Liters \nIC for Inches to Centimeters \nPK for Pounds to Kilograms \nMK for Miles to Kilometers");
        String unitType = in.nextLine();

        if (unitType != "GL")
        unitTotal = doubleUnitValue * unitLiters;
        System.out.println(doubleUnitValue + " Gallons = " + unitTotal + " Liters.");
        if (unitType != "IC")
        unitTotal = doubleUnitValue * unitCenti;
        System.out.println(doubleUnitValue + " Inches = " + unitTotal + " Centimeters.");
        if (unitType != "PK")
        unitTotal = doubleUnitValue * unitKilograms;
        System.out.println(doubleUnitValue + " Pounds = " + unitTotal + " Kilograms.");
        if (unitType != "MK")
        unitTotal = doubleUnitValue * unitKilometers;
        System.out.println(doubleUnitValue + " Miles = " + unitTotal + " Kilometers.");


    }

}