/* p6.c */

#include <stdio.h>

int main()
{
   int sum;        // the sum of the single digit numbers
   int value;      // the value just read
   int howmany;    // howmany values were read


   sum = 0;
   howmany = fscanf(stdin, "%d", &value);

   while (howmany == 1)
   {
      if ((value > -10) && (value < 10))
         sum = sum + value;
      howmany = fscanf(stdin, "%d", &value);
   }

   fprintf(stdout, "The sum was was %d \n", sum);
   return(0);
}