MeasureConverter

import java.util.Scanner;

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

        double inputNumber = Double.parseDouble(scan.nextLine());
        String inputMeasure = scan.nextLine();
        String outputMeasure = scan.nextLine();

        double inMeters = 0;
        double result = 0;

        if(inputMeasure.equals("m")){
            inMeters = inputNumber;
        }
        else if(inputMeasure.equals("mm")){
            inMeters = inputNumber / 1000;
        }
        else if(inputMeasure.equals("cm")){
            inMeters = inputNumber / 100;
        }
        else if(inputMeasure.equals("in")){
            inMeters = inputNumber / 39.3700787;
        }
        else if(inputMeasure.equals("mi")){
            inMeters = inputNumber / 0.000621371192;
        }
        else if(inputMeasure.equals("km")){
            inMeters = inputNumber / 0.001;
        }
        else if(inputMeasure.equals("ft")){
            inMeters = inputNumber / 3.2808399;
        }
        else{
            inMeters = inputNumber / 1.0936133;
        }

        if(outputMeasure.equals("m")){
            result = inMeters;
        }
        else if(outputMeasure.equals("mm")){
            result = inMeters * 1000;
        }
        else if(outputMeasure.equals("cm")){
            result = inMeters * 100;
        }
        else if(outputMeasure.equals("in")){
            result = inMeters * 39.3700787;
        }
        else if(outputMeasure.equals("mi")){
            result = inMeters * 0.000621371192;
        }
        else if(outputMeasure.equals("km")){
            result = inMeters * 0.001;
        }
        else if(outputMeasure.equals("ft")){
            result = inMeters * 3.2808399;
        }
        else{
            result = inMeters * 1.0936133;
        }

        System.out.printf("%f %s", result, outputMeasure);
    }
}