var a:array[1..15]of integer;i,j:integer;beginfor i:=1 to 15 do readln(a[i]);for i:=1 to 15 do beginj:=i;if (a[i]<0) and (a[i] mod 5=-2) then break;end;writeln(j);end.
var a:array[1..15]of integer;
i,j:integer;
begin
for i:=1 to 15 do readln(a[i]);
for i:=1 to 15 do begin
j:=i;
if (a[i]<0) and (a[i] mod 5=-2) then break;
end;
writeln(j);
end.