Prog#036: Biggest of three numbers

/* 
Program#36
Biggest of three numbers
*/

#include <stdio.h>
main(){
char a;
printf("\nEnter a character :");
scanf("%c",&a);
if(a>=65 && a<=90)
printf("\n%c is uppercase letter\n",a);
else
if(a>=97 && a<=122)
printf("\n%c is Lowercase letter\n",a);
else
if(a>=48 && a<=57)
printf("\n%c is a Digit\n",a);
else
printf("\n%c is Special character\n",a);
}