#include <iostream>
#include <stack>
using namespace std;
int main() {
stack <int> s;
s.push(12);s.push(32);s.push(123);s.push(76);s.push(442);s.push(243);s.push(123);
for (int i = 0; i < 7; i++) {
cout << s.top() << "\n";
s.pop();
}
}
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