#include<stdio.h>
void main()
{
    char c;
    c=getchar();
    if(0<=c&&c<=9);
    printf("this is a digit\n");
    else if('a'<c&&c<'Z')
    printf("this is a small letter\n");
    else if('A'<=c&&c<='Z')
    printf("this is a capital letter\n");
    else
        printf("this is the other\n");



}