#include "library.h"

int sumUpTo(void)
{  int answer = 0;
   for(int i = 1; i <= num; i++)
   {  answer = answer+i;
   }
   return answer;
}

void main(void)
{  int num, sum;
   print("Welcome to the incredible sum calculator!!!");
   newline();
   print(Please enter the number to calculate the sum up to:);
   newline();
   num = read_int();
   sum = sumUpTo();
   print("the sum up to ");
   print(num);
   print("is ");
   print(sum);
   newline();
}