#include <ctype.h>
 void determineCharacterType(char ch) {
    if (isdigit(ch)) {
        printf("Digit\n");
    } else if (isalpha(ch)) {
        // Convert to lowercase for simplicity
        char lower_ch = tolower(ch);
        if (lower_ch == 'a' || lower_ch == 'e' || lower_ch == 'i' || lower_ch == 'o' || lower_ch == 'u') {
            printf("Alphabet\n");
        } else {
            printf("Alphabet\n");
        }
    } else {
        printf("Special Character\n");
    }
 }
 int main() {
    char ch;
    scanf("%c", &ch);
    
    determineCharacterType(ch);
    
    return 0;
 }