#include<bits/stdc++.h>
using namespace std;
int a[15],m,x,f,money;
int main()
{
	for(int i=1; i<=12; i++)
	{
		cin>>a[i];
	}
	for(int i=1; i<=12; i++)
	{
		m=m+300-a[i];
		if(m<0)
		{
			f-=i;
			cout<<f;
			return 0;
		}
		money=money+m/100;
		m%=100;
	}
	money*=100;
	money=money+money/5;
	cout<<money;
	return 0;
}