#include <bits/stdc++.h>
using namespace std;
int n, a[10000];
int index = 1,ans = 0;
int main()
{
	
	
	cin >> n;
	ans = n;
	if(n < 0){
		n = abs(n);
	}
	
	while(n){
		a[index] =  n % 10;
		n /= 10;
		index++;
	}
	if(ans < 0){
		cout << "-";	
	}
	
	for(int i = 1;i <= index;i++){
		if(a[i] == 0){
			a[i] = a[i+1];
		}
	}
	
	for(int i = 1;i < index;i++){
		cout << a[i];
	}
	return 0;
}