#include <iostream>
using namespace std;
int main() {
int a, b, c;
cin >> a >> b >> c;
int nhonhat1 = min(a, b);
int nhonhat2 = min(b, c);
if ((nhonhat1 == b) && (nhonhat2 == b)) {
if (max(a, c) == a) {
cout << c;
}
else if (max(a, c) == c) {
cout << a;
}
}
else cout << max(min(a, b), min(b, c));
return 0;
}
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