C Program to find First and Last Digit of any Number

#include<stdio.h>
int main()
{
	int num, first, last;
	printf("Enter Number: ");
	scanf("%d",&num);

	last = num % 10;

	first = num;
	while(first >= 10)
	{
		first = first / 10;
	}

	printf("First Digit: %d\n", first);
	printf("Last Digit : %d",last);

	return 0;
}

Output

Enter Number: 12543
First Digit: 1
Last Digit : 3