alphabet

#include<stdio.h>
int main()
{
    char ch;

    scanf("%c",&ch);

    if(ch >= 'a' && ch<= 'z'){
        printf("%c is lower case\n",ch);
    }
    else if(ch >= 'A' && ch<= 'Z'){
        printf("%c is upper case\n",ch);
    }
    else{
        printf("%c is not alphabet\n",ch);
    }

    return 0;
}