#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=200005;
struct node{
	string s;
	double sum;
	double a,b,c,d,e;
};
int n;
bool cmp(node k1,node k2){
	return k1.sum>k2.sum;
}
void solve(){
	cin>>n;
	node nums[8];
	for(int i=1;i<=6;i++){
		cin>>nums[i].s>>nums[i].a>>nums[i].b>>nums[i].c>>nums[i].d>>nums[i].e;
		nums[i].sum=nums[i].a*0.56+nums[i].b*0.24+nums[i].c*0.14+nums[i].d*0.06+nums[i].e*0.3;
	}
	sort(nums+1,nums+7,cmp);
	int ans=n/6;
	int k=n%6;
	for(int i=1;i<=k;i++){
		if(nums[i].s=="Taiwan"){
			ans++;
		}
	}
	cout<<ans;
	return;
}
signed main() {
	//ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("in.txt","r",stdin);
	//freopen("out.txt","w",stdout);
	int t=1;
//	cin>>t;
	while(t--){
		solve();
	}
    return 0;
}