#include <iostream>
using namespace std;
int main() {
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    int smallest = min(min(a, b), min(c, d));
    int largest = max(max(a, b), max(c, d));
    cout << smallest << endl;
    cout << largest << endl;
    return 0;
}