static void main_sink(){char data=_main_data;{char result=data+1;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=-1;if (data < CHAR_MAX){result=data+1;printHexCharLine(result);}else{printLine("Input value is too large to perform arithmetic safely.");}}}static void main(){char data;data=' ';fscanf (stdin, "%c", &data);_main_data=data;main_sink();}