#include <stdio.h>

main(int argc,char ** argv)
{  int count;
   int sum;
   int n;

   count = 0;
   sum = 0;
   printf("next> ");
   scanf("%d",&n);
   while(n!=0)
   {  count = count+1;
      sum = sum+n;
      printf("next> ");
      scanf("%d",&n);
   }
   printf("count: %d, sum: %d, average: %d\n",count,sum,sum/count);
}