ajutor rapid dau coroniță va rog

#include <iostream>
using namespace std;
int main ()
{int a,s,nr;
nr=0;
cin>>a;
s=0;
while (a!=9) {nr=nr+1; s=s+a;cin>>a; }
cout<<"suma="<<" "<<s<<'\n'<<"nr="<<" "<<nr;
return 0;
}