var
n:integer;
begin
readln(n);
writeln(power(2,n));
end.
===== PascalABC.NET =====
var n := ReadInteger('n =');
Print(BigInteger(2) ** n)
var
n:integer;
begin
readln(n);
writeln(power(2,n));
end.
===== PascalABC.NET =====
begin
var n := ReadInteger('n =');
Print(BigInteger(2) ** n)
end.