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