#include <iostream>
#include <algorithm>
using namespace std;

int main() {
    int a, b, c;
    cin >> a >> b >> c;
    cout << "The maximum number is : " << max({a, b, c}) << "\n";
    cout << "The minimum number is : " << min({a, b, c}) << "\n";
}

algorithm

最大值函数可以用 max(a, b),也可以多个参数 max({a, b, c, d});

最小值函数同理