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#include <iostream>
using namespace std; // consider removing this line in serious projects

int main() {
	int intNum = 0;
	
	cin >> intNum;
	while (intNum != 42) {
		cout << intNum << "\n";
		cin >> intNum;
	}

	return 0;
}
Success #stdin #stdout 0.01s 5272KB
stdin
1
2
10
42
11
stdout
1
2
10