#include<bits/stdc++.h>
using namespace std;
int main()
{
    string a;
    cin>>a;
    if(a[0]=='-')cout<<"-";
    bool b=a[0]=='-';
    string c="";
    for(int i=a.length()-1;i>=0+b;i--)c+=a[i];
    int i=0;
    while(1)
    {
        if(c[i]=='0')i++;
        else break;
    }
    for(int j=i;j<c.length();j++)cout<<c[j];
}