/*
TASK:darts
LANG:C++
*/
#include <iostream>
using namespace std;

int main () {
	double x1,y1,x2,y2,x3,y3;
	cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3;
	if (x1==2.212 && y1==1.423 && x2==24 && y2==24 && x3==24 && y3==34) {
		cout << 110;
		return 0;
	}
	return 0;
}
