#include <bits/stdc++.h>

using namespace std;

int main(){

int ys=0,cq=0,gmcq=0,sy=0,qbg=0;

for(int y=1;y<=12;y++){

	cin>>ys;

	sy=sy+300-ys;

	if(sy>=100){

		cq=sy/100\*100;

		sy=sy-cq;

		gmcq+=cq;

	}

	if(sy<0){

		qbg=0-y;

		cout<<qbg;

		return 0;

	}

}

sy=sy+gmcq+gmcq\*0.2;

cout<<sy;

return 0;

}

#include <bits/stdc++.h> 
using namespace std; 
int main(){ 
	int ys=0,cq=0,gmcq=0,sy=0,qbg=0;
	for(int y=1;y<=12;y++){
		cin>>ys;
		sy=sy+300-ys;
		if(sy>=100){
			cq=sy/100*100;
			sy=sy-cq;
			gmcq+=cq;
		}
	if(sy<0){
		qbg=0-y;
		cout<<qbg;
		return 0;
	}}
	sy=sy+gmcq+gmcq*0.2;
	cout<<sy;
	return 0;
}