#include <iostream>
using namespace std;

int main()
{
     int a;
    {
        while (cin>>a)
        {
            if (a==0)
                cout <<"0"<<endl;
            else
                while(a%10==0)
            {
                a=a/10;
            }
                while (a>0)
            {
                cout <<a%10;
                a=a/10;
            }

        }
    }

    return 0;
}