#include   <stdio.h>
                    #define LOOP(cl,ln)\
                    for(int j=0;j<40;  \
                    j++){for(int i=0;i<\
                    80;i++){cl}ln      }
                    char grid[80][40]={{
                    0,0,2},{2,0,2},{0,2,
                    2},0};int neighbor 
                    (int x,int y){int ct
                    =0;for(int j=-1;j<=1
                                        ;j++){for(int i=-1;i
                                        <=1;i++){if(!((i==0) 
                                        &&(j==0))){if(grid[(
                                        x+i+80)%80][(y+j+40)
                                        %40]&0x02){ct++;}}}}
                                        switch (ct){case 2 :
                                        if(grid[x][y]&0x02){
                                        return 1;}else     {
                                        return 0;}case 3   :
                                        return 1           ;
default:return 0;}}int main(int argc,char*argv[]){int r=0;do
{r = fgetc(stdin);LOOP(if(grid[i][j]&0x02){printf("X");}else
{printf(",");},printf("\n"););LOOP(grid[i][j]=neighbor(i,j)|
(grid[i][j]&0x02);,);LOOP(grid[i][j]=grid[i][j]<<1;,);}while
(r!='q');}/*   Conway's Game of Life on a 80x40 Looping Grid
* Press [Enter] to start;   Keep pressing [Enter] to iterate
* To quit, press [q] then [Enter]. The game grid starts with
* a Glider on the top left corner. Changing the initial grid
* state is an excercise left to the reader. (Haoran S. Diao)
Email: 0@hairydiode.xyz, Website: https://hairydiode.xyz  */