C++ - To distinguish whether the character is a alphabet or Number or special character.

#include<iostream.h>
#include<conio.h>
int main(void)
{
    unsigned char a;
    cout<<"Enter Character : ";
    a = getche();
    if((a>64 && a<91) || (a>96 && a<123))
    {
        cout<<"Alphabet";
    }
    else if(a>47 && a<58)
    {
        cout<<"Number";
    }
    else
    {
        cout<<"Special Character";
    }
    return 0;
}