var suma1,suma2:longint; i,n,a,b:word;


begin

 readln(n); suma1:=0; suma2:=0;

 for i:=1 to n do
     begin
      readln(a,b);
      suma1:=suma1+a;
      suma2:=suma2+b;
     end;

 writeln(suma1,' ',suma2);
end.