help me  dùng c++ nhé!!!!!!!!!!!!!!!!!!!!!

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
  ll a,b,u,v,x,y;
  cin>>a>>b>>u>>v>>x>>y;
  cout<<"Tong so tien ve: "<<(a + u) * (x - y) + (b + v) * y<<" nghin dong.";
}

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() 
{
  int a, b, c, d, u, v, x, y; cin >> a >> b >> c >> d >> u >> v >> x >> y;
  int Nglon = x - y;
  cout<<"Tong so tien ve: "<<(a + u) * (x - y) + (b + v) * y<<" nghin dong.";
}