#include<stdio.h>

#include<conio.h>

int main()

{

int n, a, sum=0;

clrscr();

printf(“Enter 4 digits no: \n”);

scanf(“%d”, &n);

a=n/1000;

sum=sum+a;

a=n%10;

sum=sum+a;

printf(“sum of 1st and last digit of %d = %d”,  n, sum);

getch();

return 0;

}