/*
TASK:darts
LANG:C++
*/
#include <iostream>
using namespace std;
int main()
{
    double x1,y1,sum=0,t,x2,y2,x3,y3;
    cin>>x1>>y1>>x2>>y2>>x3>>y3;
    
    if(x1>=23.50&&x1<=24.50&&y1>=23.50&&y1<=24.50)
    {sum=sum+50;
    t=1;
    }
    if(x1>23&&x1<=25&&y1>23&&y1<=25&&t!=1)
     sum=sum+25;
     t=0;
     
    if(x2>=23.50&&x2<=24.50&&y2>=23.50&&y2<=24.50)
    {sum=sum+50;
    t=1;
    }
    if(x2>23&&x2<=25&&y2>23&&y2<=25&&t!=1)
     sum=sum+25;
     t=0;
     
     if(x3>=23.50&&x3<=24.50&&y3>=23.50&&y3<=24.50)
    {sum=sum+50;
    t=1;
    }
    if(x3>23&&x3<=25&&y3>23&&y3<=25&&t!=1)
     sum=sum+25;

    cout<<sum<<'\n';
return 0;
}
