#include <iostream>
#include <vector>
#include <algorithm>

int get_average(int a, int b, int c)
{
	std::vector<int> v { a, b, c };
	v.erase(std::max_element(v.begin(), v.end()));
	v.erase(std::min_element(v.begin(), v.end()));
	return v[0];
}

int main() {
	std::cout << get_average(3, 2, 1);
	return 0;
}