C Language
#include<stdio.h>
#include<conio.h>
void main( )
{
int n, r, s = 0, i = 1;
clrscr( );
printf("Enter any 4 Digit Number = ") ;
scanf("%d",&n);
while (n > 0) {
r = n % 10;
n = n / 10;
if (i==1||i=4) {
s= s+r;
}
i++;
}
printf("Sum of First and Fourth Digit = %d", s);
getch( );
}
/*OUTPUT*/
Enter any 4 Digit Number = 1286
Sum of First and Fourth Digit = 7