#include <stdio.h>
#include <stdlib.h>

int main(void){
	int h = 0;
	int x;
	int y;
	printf("Rentrer le rayon: ");
	scanf("%d",&h);
	for(x=-(h);x<h;x++){
		for(y=-(h);y<h;y++){
			if((x*x+y*y)<h*h){
				printf("* ");
			}
			else{
				printf("  ");
			}
		}
		printf("\n");
	}


	return EXIT_SUCCESS;
}