#include<iostream>
#include<algorithm>
#include <vector>
#include<cmath>
#include<iomanip>
#include<queue>
using namespace std;
typedef long long int lint;
int main() {
	string S;
	cin >> S;
	int Z = S.size();
	cout << 1;
	for (int ia = 0; ia < Z + 1; ia++) {
		cout << 0;
	}
	cout << endl;
}