---

#include<iostream>
using namespace std;
int main()
{
long long int a,b,c,d,e,n,m;
long long int f=0;
while(cin>>a)
{
for(n=1;n<=a;n++)
cin>>b;
for(f=1,m=1;m<=b;n++)
{
cin>>c>>d>>e;
f+=(c*e);
}
cout<<f<<endl;
}
return 0;
} 

---

#include<iostream>
using namespace std;
int main()
{
long long int a,b,c,d,e,n,m;
long long int f=0;
while(cin>>a)
{
for(n=1;n<=a;n++)
{
cin>>b;
for(f=0,m=1;m<=b;m++)
{
cin>>c>>d>>e;
f+=(c*e);
}
cout<<f<<endl;
}
}
return 0;
}