phyramide

import java.util.Scanner;

public class piramide {
    static Scanner reader= new Scanner(System.in);
    public static void main(String[]args){
        System.out.print("Input rows:");
        int x = reader.nextInt();
        for(int r=1; r<=x; r++){
            for(int s=(x-r); s>0; s--){
                System.out.print(".");}
                    for(int c=1; c<=(2*r-1); c++){
                            System.out.print("$");}
                    for(int s=(x-r); s>0; s--){
                        System.out.print(".");}
                    System.out.println("");
    }
    }