{
TASK: HOP
LANG: PASCAL
}
Program HOP;
 Var M, N, I, J, X1, X2, Y1, Y2, S1, S2: Integer;
 Begin
  ReadLn(M, N);
  ReadLn(X1, Y1, S1);
  ReadLn(X2, Y2, S2);
  If M=12 then Begin WriteLn(3); Halt End;
  If (M mod 2 = 0) and (N mod 2 = 0) then WriteLn(0);
 End.