,  ,        .    .      ,     ,     ()  (b).  ,          .
P.S. ,       .     !

Program Prim;
Var A,B,P:Integer;
Begin
Writeln('  ,     .');
Readln(A,B);
P:=2*(A+B);
Writeln('=',P:4)
End.

:
,  A,B,P:Integer,       .   - ,    ,  Program Prim;
          .           f9.  :
[IMG]
screen3.png

    ! 