#include<iostream>
#include<algorithm>
#include<cstring>
using namespace std;
int main()
{
    string a;
    cin>>a;
    reverse(a.begin(),a.end());
    if(a.back()=='-')
    {
        cout<<'-';
        a.pop_back();
    }
    unsigned int i=0;
    while(i+1<a.size()&&a[i]=='0') i++;
    while(i<a.size()) cout<<a[i++];
    return 0;

}