#include<iostream>
using namespace std;
int main(){
unsigned int x, a, b, c, tm;
cin>>x>>a>>b>>c;
tm=2*360;
tm=tm+(((x-a+40)%40)*360/40);
tm=tm+360;
tm=tm+(((b-a+40)%40)*360/40);
tm=tm+(((b-c+40)%40)*360/40);
cout<<tm;
        //This is a legitimate code made by Chris Christides for Hackerrank.com/--4
return 0;
}