#include <stdio.h>

#define WIDTH 800
#define HEIGHT 600

#define CYAN 0, 255, 255

int main() {

  int i,j; 

/* Step 1. Output the header information    */

  printf("P6\r\n");            /* magic number */
  printf("800 600\r\n");       /* image size */
  printf("255\n");           /* max color value */
 
  for (j=1;j<= HEIGHT;j++) {
     for(i=1;i<=WIDTH;i++) { 
        printf("%c%c%c", 0,128,255);
     }
  }

 return 0;
}


/*
  do HEIGHT TIMES
    print one row :  do WIDTH times
                        print one pixel

*/