#include<iostream>
using namespace std;
int main() {
	int yu,money=300,cun=0,day=0;
	int n,zong;
	for (int i = 1; i <= 12; i++) {
		cin >> yu;
		if (money - yu >= 100) { cun = (300 - yu) / 100 * 100; cun += cun; }
		else if (money - yu < 0 && day < i) { day = i; }
		else if (money - yu >= 0 && money - yu < 100) { money = money - yu + 300; }
	}
	if (day != 0) { n = -day; cout << n << endl; }
	else { zong = cun * 0.2 + money; cout << zong << endl; }
}