#include<stdio.h>
#include<ctype.h>

int main()
{
    char ch;
    
    printf("Enter a character:");
    scanf("%c",&ch);
    
    if(isalpha(ch));
    {
        printf("alphabet\n");
    }
    else if (isdigit(ch))
    {
        printf("digit\n");
    }
    else
    {
        printf("special character");
    }
    return 0;