#include <fstream>

using namespace std;
ifstream f("transport.in");
ofstream g("transport.out");


inline int max(int a, int b)
{
if(a>b) return a;
return b;
}



inline int min(int a, int b)
{
if(a<b) return a;
return b;
}

int n,k;
int a[16001],vmin,vmax;
int ls,ld;
int main()
{

f>>n>>k;

for(int i=1; i<=n; i++)
f>>a[i],vmin=max(vmin, a[i]),vmax=min(vmax,a[i]);
//f>>a[i], if(v[i]>ls) ls=v[i],ld+=v[i];

g<<vmin+vmax;

    /*
    while(ls<ld)
    {





    }


*/

    return 0;
}