#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<ll> vll;

#define fr(i,n) for (ll i = 0; i<n;++i)

int main() {
//    ios_base::sync_with_stdio(false);

    ll n, m;
    cin >> n >> m;

    vector<ll> numbers(n), prevod(n), scitani;
    scitani.push_back(0);
    fr(i, n) {
        ll num;
        char op='.';
        if (i != n-1) std::cin >> num >> op;
        else std::cin >> num;

        prevod[i] = scitani.size()-1;
        if (num % 2 == 0) scitani[prevod[i]]++;

        if (op == '+' || op == '-'){scitani.push_back(0);}
        numbers[i] = num;
    }

    ll pocetNul = 0;
    ll ssssssss = scitani.size();
    fr(i, ssssssss){
        if (scitani[i]==0) pocetNul++;
    }
    cout << (pocetNul%2?"odd":"even")<< endl;

    fr(i, m){
        ll index, value;
        cin >> index >> value;
        index--;

        if (numbers[index] % 2 == value % 2) {
            cout << (pocetNul%2?"odd":"even")<< endl;
            continue;
        }

        if (value % 2 == 0){
            if (scitani[prevod[index]] == 0) pocetNul--;
            scitani[prevod[index]]++;
        }else {
            if (scitani[prevod[index]] == 1) pocetNul++;
            scitani[prevod[index]]--;
        }

        cout << (pocetNul%2?"odd":"even")<< endl;
    }
}