#include<bits/stdc++.h>
using namespace std;
int a[12],num;
int main(){
for(int i=0;i<12;i++){
	cin>>a[i];
	cout<<endl; 
   
} 
float count=0;
for(int i=0;i<12;i++){
   	num+=300-a[i];
	count=count+num/100;
   	if(num/100!=0){
   	   	num=num%100;	
	   }
	if(num<0){
		cout<<"-"<<i+1<<endl;	
		return 0;
	}
    
} 
num+=count*120;
cout<<num<<endl;
}