static void main_sink(){char data=_main_data;{char result=data * data;printHexCharLine(result);}}void _main(){char data;data=' ';data=(char)rand();_main_data=data;main_sink();}
static void main_sink(){char data=_main_data;{char result=-1;if (data <=(char)sqrt((char)CHAR_MAX)){result=data * data;printHexCharLine(result);}else{printLine("Input value is too large to perform arithmetic safely.");}}}static void main(){char data;data=' ';data=(char)rand();_main_data=data;main_sink();}