C Program to check alphabets using ASCII value

#include<stdio.h>
int main()
{
	char ch;
	printf("Enter Character: ");
	scanf("%c",&ch);
	
	if((ch >= 97 && ch<= 122) || (ch >= 65 && ch <= 90))
	{
		printf("Character is Alphabet");
	}
	else
	{
		printf("Character is Not Alphabet");
	}
	
	return 0;
}

Output

Enter Character: R
Character is Alphabet