C program to read an integer from user and output its last and first digit

#include<stdio.h>
int main()
{
    int n,F,L;
    printf("Enter a number: ");
    scanf("%d",&n);

    L=n%10;

    while(n>= 10)
    {
        n=n/10;
    }


    F=n;

    printf("Last Digit :%d\n",L );
    printf("First Digit :%d\n",F);

    return 0;
}