#include<iostream>
using namespace std;
int main(){
    int a,b=0,c=0;
    for(int i=1;i<=12;i++){
    	cin>>a;
    	b+=300;
    	b-=a;
		c+=b/100*100;
		b%=100;
		if(b<0){
    		cout<<"-"<<i<<endl;
    		break;}}
	cout<<c+c/5+b<<endl;
    return 0;
}