ch1/exercises/ex9.c

   1 /*sum of first and last digit of a four digit number*/
   2
   3 #include<stdio.h>
   4
   5 int main()
   6 {
   7   int num;
   8   int sum;
   9   printf("Enter the four digit number:");
  10   scanf("%d",&num);
  11
  12   sum = 0;
  13
  14   sum = sum + (num%10);
  15   num = num / 10;
  16   num = num / 10;
  17   num = num/10;
  18   sum = sum+(num%10);
  19
  20   printf("The sum is %d\n",sum);
  21
  22
  23   return 0;
  24 }