#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int (i)=0;(i)<(n);(i)++)
int main() {
  int x, n, m;
  cin >> x >> n >> m;
  vector<int> a(n);
  vector<int> b(m);
  rep(i, n) cin >> a[i];
  rep(i, m) cin >> b[i];
  auto ita = find(a.begin(), a.end(), x);
  auto itb = find(b.begin(), b.end(), x);
  if(ita == a.end() && itb == b.end()) cout << -1 << endl;
  else if(ita == a.end()) cout << "MaxValu" << endl;
  else if(itb == b.end()) cout << "MrMax" << endl;
  else cout << "MrMaxValu" << endl;
}