static void main_sink(){char data=_main_data;{char result=data * 2;printHexCharLine(result);}}void _main(){char data;data=' ';fscanf (stdin, "%c", &data);_main_data=data;main_sink();}
static void main_sink(){char data=_main_data;{char result=data * 2;printHexCharLine(result);}}static void main(){char data;data=' ';data=5;_main_data=data;main_sink();}