#include <iostream>
#include <algorithm>
int main(int argc, char *argv[]) {
double x = 1e24;
double y = 1.;
double z = -1e12;
double min = std::min({x, y, z});
double max = std::max({x, y, z});
double median = x + y + z - min - max;
std::cout << median << std::endl;
return 0;
}
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