#include "stdafx.h"
#include <iostream>
#include <conio.h>
#include <string>
#include <cmath>

using namespace std;

int main()
{
	int i, j;
	string obr;
	getline(cin, obr);
	int size = obr.size();
	if (size > 8) {
		cout << "Its should be 8 bits ";
		_getch();
		return 0;
	}
	for (i = 0; i < size; i++) {
		if (obr[i] != '1') {
			if (obr[i] != '0') {
				cout << "Its should be only 0s and 1s ";
				_getch();
				return 0;
			}
		}
	}
	char *temp = new char[size];
	for (i = 0; i < size; i++) {
		temp[i] = '\0';
	}
	if (obr[0] == '1') {
		temp[0] = '-';
		for (i = size - 1; i > 0; i--) {
			if (obr[i] == '1') {
				temp[i] = '0';
			}
			else temp[i] = '1';
		}
	}
	else {
		for (i = size - 1; i > 0; i--) {
			temp[i] = obr[i];
			temp[0] = '+';
		}
	}

	/*for (i = 0; i < size; i++) {
		cout << temp[i];
	}*/

	int count = 0;
	for (i = 1; i < size - 1; i++) {
		if (temp[i] == '0' && temp[i + 1] == '0') {
			count = 1;
		}
		else break;
	}
	for (i = 1; i < size - 1; i++) {
		if (temp[i] == '0' && temp[i + 1] == '0') {
			count++;
		}
		else break;
	}

	char *nat = new char[size - count];
	nat[0] = temp[0];
	for (i = 1 + count, j = 1; i < size - 1, j < size - count;i++,j++) {
			nat[j] = temp[i];
	}

	cout << '\n';

	for (i = 0; i < size - count; i++) {
		cout << nat[i];
	}

	_getch();
    return 0;
}