package basic.star;

import java.util.Scanner;

public class Star9 implements StarInterface{

static Scanner scan = new Scanner(System.in);

@Override

public void StarPrint() {

int size = scan.nextInt();

int w = scan.nextInt();

int h = scan.nextInt();

int width = size*w+2*(w-1);

int heigh = size*h+2*(h-1);

// 0 1 2 3 4 012는 출력 3 4는 블랭크

// size는 3

int onec = size+2;

for(int i=0;i<heigh;i++){

if(i%(onec)==size||i%(onec)==size+1) System.out.println("X");

else{

for(int j = 0 ; j <width;j++){

if((j%(onec)>=0)&&(j%(onec)<=size-1)&&(i%(onec)==0||i%(onec)==size-1))System.out.print("O");

else System.out.print("X");

}

System.out.println();

}

}

}

}