#include <bits/stdc++.h>
using namespace std;
int main(){
	string s;
	cin>>s;
	bool a=0;
	for(int i=s.size()-1;i>=0;i--){
		if(a==1||s[i]!='0'){
			a=1;
			cout<<s[i];
		}
	}
	return 0;
}

/**************************************************************
	Problem: 1121
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/