#include <stdio.h>
#include <conio.h>

#pragma warning(disable:4996)
#ifndef __CHARCODES__
#define __CHARCODES__
// Type codes...
#define LETTER       1
#define NUMBER       2
#define SYMBOL       3

// Sub-type codes...
#define VOWEL        4
#define CONSONANT    5
#define ODD          6
#define EVEN         7
#define UPPER_ASCII  8
#define LOWER_ASCII  9
#define LOWER_UPPER_ASCII_BOUNDARY 127
#endif

int main() {
	unsigned char keyStroke = 0;
	int typeCode = -1, subTypeCode = -1;

	// GET THE KEYSTROKE (remember to clean phantoms)
	scanf("%c", &keyStroke);
	rewind(stdin);
	// ANALYZE THE KEYSTROKE (IF, IF-ELSE, IF-ELSE-CHAIN here)
	if(keyStroke >= 'a' && keyStroke <= 'z' || keyStroke >= 'A' && keyStroke <= 'Z') {
		typeCode = 1;
		if (keyStroke == 'a' || keyStroke == 'e' || keyStroke == 'i' || keyStroke == 'o' || keyStroke == 'u' || keyStroke == 'A' || keyStroke == 'E' || keyStroke == 'I' || keyStroke == 'O' || keyStroke == 'U') {
			subTypeCode = 4;
		}
		else {
			subTypeCode = 5;
		}
	}
	else if (keyStroke >= '0' && keyStroke <= '9') {
		typeCode = 2;
		if (keyStroke % 2 == 0) {
			subTypeCode = 7;
		}
		else {
			subTypeCode = 6;

		}
	}
	else {
		typeCode = 3;
//		if (keyStroke != (keyStroke >= 'a' && keyStroke <= 'z' || keyStroke >= 'A' && keyStroke <= 'Z') && (keyStroke != keyStroke >= '0' && keyStroke <= '9') && (keyStroke <= LOWER_UPPER_ASCII_BOUNDARY)) {
		if (keyStroke <= LOWER_UPPER_ASCII_BOUNDARY) {
			subTypeCode = LOWER_ASCII;
		}
		else {
			subTypeCode = UPPER_ASCII;
		}
	}
	// DISPLAY RESULTS BASED ON SET CODES (SWITCH-CASE)
	switch (typeCode) {
	case 1:
		printf("That is a LETTER.\n");
		break;
	case 2:
		printf("That is a NUMBER.\n");
		break;
	case 3:
		printf("That is a SYMBOL.\n");
		break;
	}
	switch (subTypeCode) {
	case 4:
		printf("Which is a VOWEL.\n");
		break;
	case 5:
		printf("Which is a CONSONANT.\n");
		break;
	case 6:
		printf("Which is ODD.\n");
		break;
	case 7:
		printf("Which is EVEN.\n");
		break;
	case 8:
		printf("Which is in the UPPER_ASCII.\n");
		break;
	case 9:
		printf("Which is in the LOWER_ASCII.\n");
		break;
	}

	_getch();
	return 0;
}