problem_2

#include<stdio.h>
int main()
{
    char a;
    scanf("%c", &a);
    if((a>='a' && a<='z') || (a>='A' && a<='Z'))
    {
        printf("It's an alphabet\n");
    }
    else{
        printf("It's not an alphabet\n");
    }
    return 0;
}