import java.util.Random;

public class Coin {

    public static void main(String[] args) {
        Random rand = new Random();
        int x = 0;
        int y = 0;
        for(int j = 0 ; j < 1000000; j++) {
            int i = rand.nextInt(2);
            //System.out.println(i);
            if (i==1) {
                x++;
            } else {
                y++;
            }
        }
        System.out.println("x="+x);
        System.out.println("y="+y);
        System.out.println((float)x/y);
        

    }

}