typedef long long ll;
struct tt{
    ll n;
    bool log;
};

int main()
{
    ll n, m, a[10], sum = 0, mx;
    cin >> n >> m;
    tt b[90010];
    for (int i = 0; i < 90010; i++){
        b[i].log = 0;
        b[i].n = n;
    }
    for (int i = 0; i < m; i++){
        cin >> a[i];
        if (a[i] > mx || i == 0)
            mx = a[i];
    }
    b[0].n = n;
    b[0].log = 1;
    for (int i = 0; i < 90010; i++){
        if (b[i].log && b[i].n)
            for (int j = 0; j < m; j++){
                b[i + a[j]].log = 1;
                b[i + a[j]].n = b[i].n - 1;
            }
    }
    bool bol1 = 0, bol2 = 0;
    for (int i = 0; i < 90010; i++){
        if (b[i].n == 0 && i % 9 != 0)
            bol1 = 1;
        if (b[i].n == 0 && i % 9 == 0)
            bol2 = 1;
    }
    if (m % 2 == 0)
        if (bol2)
            cout << "Gena";
        else
            cout << "Petya";
    else
        if (bol1)
            cout << "Petya";
        else
            cout << "Gena";
    cout << endl;
    return 0;
}