#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> P;

#define p_ary(ary,a,b) do { cout << "["; for (int count = (a);count < (b);++count) cout << ary[count] << ((b)-1 == count ? "" : ", "); cout << "]\n"; } while(0)
#define p_map(map,it) do {cout << "{";for (auto (it) = map.begin();;++(it)) {if ((it) == map.end()) {cout << "}\n";break;}else cout << "" << (it)->first << "=>" << (it)->second << ", ";}}while(0)

int main() {
    int x,n,m;
    cin >> x >> n >> m;
    vector<int> a(n),b(m);
    for (int i = 0;i < n;++i) cin >> a[i];
    for (int i = 0;i < m;++i) cin >> b[i];
    bool f = false,g = false;
    for (int i = 0;i < n;++i) if (a[i] == x) f = true;
    for (int i = 0;i < m;++i) if (b[i] == x) g = true;
    if (f) cout << "Mr";
    if (g) cout << "Max";
    if (f || g) cout << "Valu" << endl;
    else cout << -1 << endl;
}