program DoiBan;

var

  h, m, h1, m1, h2, m2, hh, mm : integer;

begin

  assign(input, 'DOIBAN.INP');

  assign(output, 'DOIBAN.OUT');

  read(h, m, h1, m1, h2, m2);

  if h1 > h2 then h1:=h2;

  if (h1 = h2) and (m1 > m2) then m1:=m2;

  if h <= h1 then

    hh := h1 - h

  else

    hh := h1 - h + 24;

  if m <= m1 then

    mm := m1 - m

  else

    begin

      mm := m1 - m + 60;

      hh := hh - 1;

    end;

  writeln(hh, ' ', mm);   

end.

program DoiBan;
uses crt;
var
h,m,h1,m1,h2,m2,hn,mn,i,k: integer;
begin
clrscr;
read(h, m);
read(h1, m1);
read(h2, m2);
h1:=i;
if h1<h2 then i:=h2;
hn:=i;
m1:=k;
if m1<m2 then k:=m2;
mn:=k;
if h<=hn then hn:=hn-h else hn:=hn-h+24;
if m<=mn then mn:=mn-m else 
begin
hn:=hn-1;
mn:=mn-m+60;
end;
write(hn,' ',mn);
end.