import java.io.*;
import java.util.*;
class Converter {

public void convertDistance(){
System.out.println("1 KM to Miles");
System.out.println("2 Miles to KM");
System.out.println("3 Exit");

Scanner input=new Scanner(System.in);
System.out.print("Enter your choice: ");
int choice=input.nextInt();
switch(choice){
    case 1:
        int km[]=new int[3];
        double miles[]=new double[3];
        System.out.println("Enter distance in KM: ");
        for(int i=0;i<km.length;i++){
            km[i]=input.nextInt();
            miles[i] = km[i] * 0.621;
        }
        System.out.println("KMS \t Miles");
        for(int i=0;i<km.length;i++){
        System.out.println(km[i]+"\t"+miles[i]);
        }
        break;
    case 2:
        int mile[]=new int[3];
        double kms[]=new double[3];
        System.out.println("Enter distance in Miles: ");
        for(int i=0;i<mile.length;i++){
            mile[i]=input.nextInt();
             kms[i] = mile[i]/ 0.621;
        }
        System.out.println("Miles \t KMS");
        for(int i=0;i<mile.length;i++){
        System.out.println(mile[i]+"\t"+kms);
        }
        break;
    case 3:
        System.exit(0);
        break;
}
}
public static void main(String[] args){
Converter convert=new Converter();
convert.convertDistance();
}
}