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

int main(){
    int N, i, tmp;
    vector <int> x;

    cin >> N;
    for(i = 0; i < N; i++){
        cin >> tmp;
        x.push_back(tmp);
    }
    if(N%2 == 0){
        cout << 0 << endl;
    }else{
        cout << 1 << endl;
    }

    return 0;
}