import java.util.Scanner;

public class a038 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
while (input.hasNext()) {
StringBuilder build = new StringBuilder(input.nextLine());
build.reverse();

if (Integer.valueOf(build.toString()) == 0)
System.out.println(0);
else {
while (true) {
if (build.charAt(0) == 48) {
build.delete(0, 1);
}

else
break;
}
System.out.println(build);
}
}
}

}