var i,j,k,l,m,n:longint;
	a:array[0..1000000,1..2] of longint;
begin
 assign(input,'candy10.in');
 reset(input);
	read(i,i,i,i);
	for i:=1 to 1000000 do read(a[i,1],a[i,2]);
end.