program ch5;
{$H+}
var
  stri : string;
  som, pre, c, e, x, sum  : integer;
BEGIN
  repeat
    readln(stri);
    stri := stri + ' ';
    pre := 0;
    sum := 0;
    repeat
      c := pos(' ', stri);
      Val(copy(stri, pre+1, c-1-pre), x, e);
      sum := sum + x;
      pre := c;
      stri[c] := 'n';
    until c=0;
   writeln(stri);
  until stri='n';
END.