#include<bits/stdc++.h>
using namespace std;
int a[100+5],l=1;
void ji(int i){
	if(a[i]==0)return;
	ji(i+1);
	printf("%d ",a[i]);
//	return;
}
int main(){
	while(scanf("%d",&a[l++])!=EOF)
	ji(1);
	return 0;
}