#include <iostream>
#include <algorithm>
int main() {
int Face1 = 10, Face2 = 5, Face3 = 8, Face4 = 20, Face5 = 21, Face6 = 9;
std::cout << std::max({ Face1, Face2, Face3, Face4, Face5, Face6 }) << "\n";
return 0;
}
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