int main(int argc, char* argv[]){
int _[2048],O=(int)&O,__=~__+__;
while((__=-~__)^2048)__[_]=(O=(O*0x41C64E6D+12345)&0x7fffffff)&1024?1<<5:0;
while(usleep('d'<<'\n'),__+=~__){
while((__=-~__)^8192){
if(_[((__>>2)+2048+"\x01?@A"[__%4])%04000]&1<<5)*(_+(__>>2))=-~_[__>>2];
if(_[((__>>2)+04000-"\x01?@A"[__%4])%2048]&1<<5)*(_+(__>>2))=-~_[__>>2];
if(__%4==3)_[__>>2]|=_[__>>2]^'\"'&&_[__>>2]^'#'?((_[__>>2]^3)?0:1<<4):1<<4;};
while((__=-~__)^10240)if(putchar((_[__%2048]=_[__%2048]<<1&1<<5)?(argc>=2?*argv[1]:'X'):(argc>=3?*argv[2]:' ')),!(63^__%0100))putchar(10);}};