#include <cstdlib>
#include <iostream>
using namespace std;
int main()
{
int p,k,i,s;
cout<<„unesi granicne vrijednosti intervala p i
k“<<endl;
cin>>p>>k;
s=0;
for(i=p;i<=k;i=i+1)
s=s+i;
cout<<„suma je“<<“ „;
cout<<s<<endl;
system(„PAUSE“);
return EXIT_SUCCESS;
}