var
  a : array [1..100] of longint;
  k,n,m,sum,i ,max,min,nom : longint;
begin
  min:=999;
  k:=0;
    for i:=1 to 5 do
      readln(a[i]);
      if min>a[i] then
        min:=a[i];
        k:=i;
  writeln(k);
end.