/*This program produce real numbers,x and y.
The minimum number for x is 1,... and the maximum
number is 14{...decimal places}because C is 15 spaces " "
The minimum number for y is 1,... and the maximum
number is 24 {...decimal places}because L is 25 spaces " " 
C=WIDTH
L=HEIGHT
* * * * * * * * * * * * * * * * 		
*			      *	
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*	                      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*			      *
*                             *
*                             *
* * * * * * * * * * * * * * * *
^
|
(0,0)

*/
#include<stdio.h>
#define WIDTH 15
#define HEIGHT 25
int i;
double my_function(double x);
int main(void)
{
double x_spot,y_spot;
 for(i=WIDTH-1;i>0;i--)
  {
   x_spot=(double)i/WIDTH;
    y_spot=my_function(x_spot);
     printf("%lf\t%lf\n",x_spot,y_spot);
  }
return 0;
}
double my_function(double x)
{
	double y;
	y=x*x*x+x*x-x+0.2;
   if (y>0 && y<HEIGHT)/*only possitive values*/
   return y;
}

char paper[25][80];

#include<stdio.h>
#define WIDTH 25
#define HEIGHT 15
int main(void)
{
	char star='*',space=' ';
	int y,x,c;
	double y_spot,x_spot;
	char my_graph[WIDTH][HEIGHT];
	for(y=0;y<HEIGHT;y++)
	 {
	  for(x=0;x<WIDTH;x++)
		{
		 my_graph[y][x]=star;
		}
	 }
	 do{
		c=scanf("%lf %lf\n",&y_spot,&x_spot);
		y_spot*=HEIGHT;
		x_spot*=WIDTH;
		my_graph[(int)x_spot][(int)y_spot]=space;
	  }while(c!=EOF);
	  
	  for(y=0;y<HEIGHT;y++)
	 {
	  for(x=0;x<WIDTH;x++)
		{
		printf("%c",my_graph[y][x]);
		}
	 printf("\n");
	 }
return 0;
}