PROGRAM Ural_1207;
TYPE xl=record
        key:real;
        code:longint;
        end;
CONST MAXN=1000;
VAR a:array[1..MAXN,1..2] of longint;
    d:array[1..MAXN]of xl;
    o,i,j,x,y,n:longint;
    temp:xl;
BEGIN
assign(input,'T1207.in');
reset(input);
readln(n);
x:=maxlongint;
y:=maxlongint;
for i:=1 to n do
  begin
  readln(a[i,1],a[i,2]);
  if (x>a[i,1])or((x=a[i,1])and(y>a[i,2]))then
    begin
    x:=a[i,1];
    y:=a[i,2];
    o:=i;
    end;
  end;
a[o,1]:=a[n,1]; a[o,2]:=a[n,2];
dec(n);
for i:=1 to n do
  begin
  dec(a[i,1],x);
  dec(a[i,2],y);
  end;
for i:=1 to n do
  begin
  if a[i,1]<>0 then
    d[i].key:=a[i,2]/a[i,1]
  else if a[i,2]<=0 then d[i].key:=-maxlongint
  else d[i].key:=maxlongint;
  d[i].code:=i;
  end;
d[o].code:=n+1;
for i:=2 to n do
  for j:=n downto i do
    if d[j].key<d[j-1].key then
      begin
      temp:=d[j];
      d[j]:=d[j-1];
      d[j-1]:=temp;
      end;
{if x>d[n div 2+1].code then writeln(d[n div 2+1].code,' ',o)
else} writeln(o,' ',d[n div 2+1].code);
END.