#include<iostream>
#include<fstream>
#include<algorithm>
using namespace std;
int main()
{
    ifstream f("stdin");
    ofstream g("stdout");
    int a,b,c,d,s[3] = {0,0,0};
    f>>a>>b>>c>>d;
    cout<<a<<" "<<b<<c<<d;
    for(int i = 0;i<3;i++)
    {
        if(i == 0) s[i] = a*b+c*d;
        else if(i == 1) s[i] = a*c+b*d;
        else s[i] = a*d+b*c;
        cout<<s[i]<<" ";
    }
    sort(s,s+3);
    g<<s[2];
    f.close();
    g.close();
    return 0;
}