#include <iostream.h>

int main(int param1, char *param2)
{
   int a, b, c;

   a = 5;
   b = 10;

   c = SerieSum(a, b); 

   cout << "Sum of integers between " << a << " and "
        << b << " = " << c;
}


// ===================================================  
// Function returns x + (x+1) + ... + y
// ===================================================  
int SerieSum(int x, int y)
{
   int i;              // Local help variable - loop index
   int sum;            // Local help variable - partial sum   

   sum = 0

   for ( i = x; i <= y; i = i + 1 )
   {
      sum = sum + i
   }

   return( sum );
}