代码：

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<map>
#include<queue>
#include<algorithm>
#define ll long long
#define ull unsigned long long
using namespace std;
int n,day;
int a,ans=0;
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>day;
		if(day==1)
		{
			a++;
			if(a>=365)
			{
				ans+=6;
				continue;
			} 
			if(a>=120)
			{
				ans+=5;
				continue;
			} 
			if(a>=30)
			{
				ans+=4;
				continue;
			} 
			if(a>=7)
			{
				ans+=3;
				continue;
			} 
			if(a>=3)
			{
				ans+=2;
				continue;
			} 
			if(a>=1)
			{
				ans+=1;
				continue;
			} 
		} 
		if(day==0) a--;
	}
	cout<<ans;
	return 0;
}