Program zad1;
var x,y:array[1..20]of real;
    duzina, duzina2, d_max, tren:real;
    i,j,n,k,t1,t2:integer;

function Rastojanje(x1,y1,x2,y2:real):real;
begin
  Rastojanje:=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
end;

begin
  readln(n);
  for i:=1 to n do
    readln(x[i],y[i]);
    
  duzina:=0;
  for i:=1 to n-1 do
    duzina:= duzina+ Rastojanje(x[i],y[i],x[i+1],y[i+1]);
    
  readln(i,j);  
  duzina2:=0;
  for k:=i to j-1 do
    duzina2:= duzina2+ Rastojanje(x[k],y[k],x[k+1],y[k+1]);
    
  duzina2:=duzina2 + Rastojanje(x[i],y[i],x[j],y[j]);
    
  writeln(duzina1, duzina2);
  
  t1:=1;
  t2:=2;
  
  d_max:=Rastojanje(x[t1],y[t1],x[t2],y[t2]);
 
  for i:=1 to n-1 do
    for j:=i+1 to n do
    begin
      tren:=Rastojanje(x[i],y[i],x[j],y[j]);
      if(tren>d_max) then
        begin
          d_max:=tren;
          t1:=i;
          t2:=j;
        end;
    end;
  
  writeln(d_max);
  

end.