#include <iostream>
#include <cmath>
double log(const double x) throw() {
std::cout << "log" << std::endl;
return x;
}
int main() {
std::log(3.14);
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y21hdGg+Cgpkb3VibGUgbG9nKGNvbnN0IGRvdWJsZSB4KSB0aHJvdygpIHsKICAgIHN0ZDo6Y291dCA8PCAibG9nIiA8PCBzdGQ6OmVuZGw7CiAgICByZXR1cm4geDsgCn0KCmludCBtYWluKCkgewogICAgIHN0ZDo6bG9nKDMuMTQpOwp9