# define B f[a]
char  f[2][26][82],i,j,a=0,c[]="_o",n;main(){B[3][3]=B[3][2]=B[3][1]=B[2][3]=B[1][2]=1;for
(;;){system("clear");for(i=1;i< 25;i++){for(j=1; j<81;j++){printf("%c",c[f[!a][i][j]]);n=B
[i-1][j-1]+B[i-1][j]+B[i-1][j+1]+B[i][j-1]+B[i][j+1]+B[i+1][j-1]+B[i+1][j]+B[i+1][j+1];f[!
a][i][j]=(!B[i][j]&&n==3) ||(B[i][j]&&n>1&&n<4);}puts("");}sleep(1);a=!a;}}