import java.text.*;
class Conversion 
{

    public static double inchtoCentimetre(double inch){
     double cm = inch * 2.54;
     return cm;
    }
    public static double centimetertoInch(double cm){
     double inch=cm/2.54;
     return inch;
}
    public static void main(String[] args) 
    {
        DecimalFormat df=new DecimalFormat("##.##");
        System.out.println("Inches  Centimeters");
        double inch[]={1,2,5};
        double cms[]={5,10,50};
        for(int i=0;i<inch.length;i++){
        double cm = inchtoCentimetre(inch[i]);
        System.out.println(inch[i]+"\t "+df.format(cm));
            }

      System.out.println("Centimeters  Inches");
    for(int i=0;i<cms.length;i++){
        double in = centimetertoInch(cms[i]);
        System.out.println(cms[i]+"  \t "+df.format(in));
            }
    }
    }