Var a, b, c: real;
begin
readln(a, b, c);
if ((a > 1) and (a < 3)) then writeln(a);
if ((b > 1) and (b < 3)) then writeln(b);
if ((c > 1) and (c < 3)) then writeln(c);
end.
Var a, b, c: real;
begin
readln(a, b, c);
if ((a > 1) and (a < 3)) then writeln(a);
if ((b > 1) and (b < 3)) then writeln(b);
if ((c > 1) and (c < 3)) then writeln(c);
end.