include <bits/stdc++.h>

using namespace std; typedef struct node {

int data;
node *next;

} *linklist;

void inital(linklist &l) {

l = new node;
l->next = NULL;

}

void create(linklist &l) {

node *r = l;
int x;
cin >> x;
while (x != -1) {
	node *s = new node;
	s->data = x;
	s->next = l->next;
	l->next = s;
	cin >> x;
}

}

void printfl(linklist l) {

node *cur = l->next;
while (cur != NULL) {
	cout << cur->data << " ";
	cur = cur->next;
}

}

int main() {

linklist l;
inital(l);
create(l);
printfl(l);
return 0;

}