uses crt;
var
    a,b,c:real;
    action:char;
begin
      write('a='); readln(a);
      write('b='); readln(b);
      write('action='); readln(action);
      case action of
        '+':c:=a+b;
        '-':c:=a-b;
        '/':c:=a/b;
        '*':c:=a*b;
      end;
      writeln(a:1:3,action,b:1:3,'=',c:1:3);
      readln;
end.

uses crt;
var s:string;
    a,b,c,posit:integer;

function Str2Int(Str:String):Integer;
var Res,code:integer;
begin
      val(Str,Res,code);
      Str2Int:=Res;
end;

begin
      read(s);
      posit:=pos('+',s);
      a:=Str2Int(copy(s,1,posit-1));
      b:=Str2Int(copy(s,posit+1,length(s)-posit+1));
      c:=a+b;
      write('=',c);
      readln;
end.