#include <stdio.h>

int main()
{
  double sum = 0, x;
  int k;

  for (k=1; k<=5; k++)
    {
      scanf("%lf",&x);
      if (x > 10.0)
        break;
      sum +=x;
    }
  printf("Sum = %f \n",sum);
  
  system("pause");
  return 0;
}