№1

#include<stack>
#include<iostream>

using namespace std;

int main()
{
    stack<int> A;
    int num = 1;
    int a, n;

    while (num)
    {
        cin >> num;
        A.push(num);
    }

    n = A.size();

    for (int i = 0; i < n; i++)
    {
        cout << A.top() << " ";
        A.pop();
    }
    return 0;
}