/*   loop02.c               */

#include <stdio.h>

int main(void)
{
    int c,s,n;

   s=0;
   n=25;

   while (s<n) {
       printf("c=");
       scanf("%d",&c);
       if ((c>0) && (c<10))
       {
            s=s+c;
            printf("s=%d\n",s); 
       }
   }
   printf("sum=%d\n",s);

   return 0;
}