#include <GL/glut.h>
#include <stdio.h>
#include <stdlib.h>

void display(void)
{

  glClearColor(1.0,0.0,0.0,0.0);
  glClear(GL_COLOR_BUFFER_BIT);
  glutSolidSphere(0.5,30,30);
  glFlush();
}

void keyboard(unsigned char key, int x, int y)
{

  if(key == 27) exit(0);
  else printf("You pressed key %d \n",key);

}

int main(int argc, char** argv)
{
  glutInit(&argc, argv);
  glutInitWindowSize(500,500);
  glutInitWindowPosition(100,100);
  glutCreateWindow("Empty Window");
  glutDisplayFunc(display);
  glutKeyboardFunc(keyboard);
  glutMainLoop();

  return 0;
}