#include <iostream>
#include <fstream>
using namespace std;
ifstream f("date.in");
struct nod
{
    char info;
    nod *urm;
};
nod *p;
void add(nod *&p, char x)
{
    if(x)
    {
    nod *c=new nod;
    c->info=x;
    c->urm=p;
    p=c;
    }
}
void aff(nod *p)
{
    while(p)
    {
        cout<<p->info<<" ";
        p=p->urm;
    }
}



int main()
{
    char x;
    f>>x;
    while(x!='0')
    {
        add(p,x);
        f>>x;

    }
   aff(p);
}