// input code here
#include<bits/stdc++.h>
using namespace std;
int main()
{
    char a[1000];
    int Head=0,Tail,Long,i;
    cin>>a;
    Long=strlen(a);
    Tail=Long;
    if(a[0]=='-')
    {
        cout<<"-";
        Head=1;
        Long--;
    }
    i=Tail;
    do
    {
        Tail--;
        i--;
    }
    while(a[i]=='0');
    for(i=Tail;i>=Head;i--)
        cout<<a[i];
    cout<<endl;
    return 0;
}