#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
using ll = long long;
vector<int> even, odd;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int x;
    while (cin >> x)
    {
        if (x % 2)
            odd.push_back(x);
        else
            even.push_back(x);
    }
    if ((int)even.size() < (int)odd.size())
        cout << even[0] << endl;
    else
        cout << odd[0] << endl;

    return 0;
}