#include<bits/stdc++.h> using namespace std; int n,m,ans,a,b,c; int main(){ cin>>n; for(int i=1;i<=n;i++){ cin>>m; if(m==1){ cin>>a>>b; ans+=2*a+2*b; }else if(m==2){ ans+=4*a; }else if(m==3){ ans+=a+b+c; } cout<<ans; } return 0; }