#include using namespace std; typedef long long ll; int main() { int n;cin>>n; char a[n]; for (int i=0;i>a[i]; sort(a,a+n); ll mn=1e18; ll mx=-1e18; do { if (!isdigit(a[0])||!isdigit(a[n-1])) continue; ll b=0; int i=0; while (i