var a,b,c:real;beginreadln(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.