#include <iostream>
#include <limits>
using namespace std; // consider removing this line in serious projects
int main() {
auto func = [] () {
int intNum = 0;
cin >> intNum;
cin.sync();
while (intNum != 42) {
cout << intNum << "\n";
cin >> intNum;
cin.sync();
}
};
func();
return 0;
}
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