#include <iostream>
#include <ctime>
using namespace std;
int main() {
int t = clock();
while (clock() - t < 10000) {
if ((clock()-t)%1000 == 0)
cout << clock()-t << endl;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y3RpbWU+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgbWFpbigpIHsKCWludCB0ID0gY2xvY2soKTsKCQoJd2hpbGUgKGNsb2NrKCkgLSB0IDwgMTAwMDApIHsKCQlpZiAoKGNsb2NrKCktdCklMTAwMCA9PSAwKQoJCQljb3V0IDw8IGNsb2NrKCktdCA8PCBlbmRsOwoJfQoJCglyZXR1cm4gMDsKfQ==