Sum of first and last digit of a four-digit number

Write a program which takes a four-digit number as input and shows the sum of first and last digit.

#include
 
#include
 
void main(void)
{

int a,c,d,f;

printf("Enter the Four-Digit Number:");

scanf("%d",&a);

c=a/1000+a%10;

printf("The sum is:%d",c);

getch();

}