#include<iostream>

#include<cstdio>

#include<cstring>

#define maxn 100050

using namespace std;

int n,a[maxn],ins[maxn];

int main()

{

    scanf("%d",&n);

    for (int i=;i<=n;i++)

        scanf("%d",&a[i]);

    for (int i=;i<=n;i++)

    {

        for (int j=;j>=;j--)

        {

            if (a[i]&(<<j))

            {

                if (!ins[j])

                {

                    ins[j]=a[i];

                    break;

                }

                else a[i]^=ins[j];

            }

        }

    }

    int ans1=,ans2=;

    for (int i=;i>=;i--)

        if ((ans1^ins[i])>ans1)

            ans1^=ins[i];

    for (int i=;i>=;i--)

        if ((ans1^ins[i])<ans1)

            ans2=max(ans2,(ans1^ins[i]));

    printf("%d %d\n",ans1,ans2);

    return ;

}