why the compiler does not accept the job site?
that do not correctly?


#include <iostream>
#include <math.h>
using namespace std;
int  main()
{
int N;
int H=0;
int S=0;
int i;

    cin>>N;
    if(((N<10000)&&(N>1))||((N>-10000)&&(N<-1)))
    {
    H=abs(N);
    for( i=2;i<=H;i++) S=S+i;
    if(N<0) cout<<endl<<S*(-1);
    else cout<<endl<<S;}
    else cout<<"error";
return 0;
}