type point = record
        x, y:real;
     end;

     polygon = record
        n:integer;
        k:longint;
        v:array [0..100] of point;
        area:real;
     end;

function area(r:polygon):real;
    var i:integer;
        sum:real;
        begin
            sum:=0;
            for i:=1 to r.n - 1 do
                sum:=sum + r.v[i].x * (r.v[i - 1].y - r.v[i + 1].y);
            area:=abs(sum) / 2;
        end;

var k, maxi:longint;
    i:integer;
    max:real;
    r:polygon;
    e1, e2, e3:boolean;
    f:text;

begin
    assign(f, 'input.txt');
    reset(f);
    k:=0;
    e3:=false;
    while (not(eof(f))) do
        begin
            e1:=false;
            e2:=false;
            inc(k);
            r.k:=k;
            read(f, r.n);
            for i:=1 to r.n do
                begin
                    read(f, r.v[i].x, r.v[i].y);
                    if (r.v[i].x = 0)
                        then e1:=true;
                    if (r.v[i].y = 0)
                        then e2:=true;
                end;
            r.v[0].x:=r.v[r.n].x;
            r.v[0].y:=r.v[r.n].y;
            r.area:=area(r);
            if (e1 and e2)
                then
                    begin
                        if (not(e3))
                            then
                                begin
                                    max:=r.area;
                                    maxi:=r.k;
                                    e3:=true;
                                end
                            else
                                begin
                                    if (max > r.area)
                                        then
                                            begin
                                                max:=r.area;
                                                maxi:=r.k;
                                            end;
                                end;
                    end;
        end;
    close(f);
    if (not(e3))
        then writeln(0, ' ', 0.000:0:3)
        else writeln(maxi, ' ', max:0:3);
end.