#include<iostream>
#include<vector>

auto input(int num_count, int changes_count, std::vector<int> & nums, std::vector<char> & tokens, std::vector<std::pair<int,int>> & changes ){

    for(int i = 0; i < num_count; i++){
        int a;
        char b;
        std::cin >> a;
        nums.emplace_back(a);
        if(i != num_count - 1) {
            std::cin >> b;
           // std::cin >> space2;
            tokens.emplace_back(b);
        }
    }

    for(int i = 0; i < changes_count; i++ ){
        int a,b;
        std::cin >> a;
        std::cin >> b;
        changes.emplace_back(a,b);
    }

    return;

}

auto eval(std::vector<int> nums,std::vector<char> tokens){ //nejsou tu reference protoze to chci kopirovat

    //products first, ulozim je do productu ve stejnem poradi
    for(size_t i = 0; i < tokens.size(); i++) {
        if(tokens[i] == '*'){
            int product = nums[i]*nums[i+1];
            nums[i] = product;
            nums.erase(nums.begin()+i+1);
            tokens.erase(tokens.begin()+i);
            i--;
        }
    }

    int sum = 0;
    for(size_t i = 0; i < tokens.size(); i++){
        if(tokens[i] == '+'){
            sum += nums[i] + nums[i+1];
            nums.erase(nums.begin()+i);
            nums.erase(nums.begin()+i+1);
            i--;
            i--;

        }
        else if(tokens[i] == '-'){
            sum += nums[i] - nums[i+1];
            nums.erase(nums.begin()+i);
            nums.erase(nums.begin()+i+1);
            i--;
            i--;
        }
    }

    return sum;

}

auto is_what(int sum){
    if(sum % 2 == 0){
        return "even";
    }
    else
        return "odd";
}

auto change(std::vector<int> & nums, std::vector<char> & tokens, std::pair<int,int> coords){

    nums[coords.first-1] = coords.second;
    return;

}

int main(){
    int num_count; //pocet cisel in the expression
    int changes_count;

    std::cin >> num_count;
    std::cin >> changes_count;

    std::vector<int> nums;
    std::vector<char> tokens;
    std::vector<std::pair<int,int>> changes;

    input(num_count, changes_count,nums, tokens, changes);
    int sum = eval(nums, tokens);
    std::cout << is_what(sum) << std::endl;

    for(int i = 0; i < changes_count; i++){
        change(nums, tokens, changes[i]);
        sum = eval(nums,tokens);
        std::cout << is_what(sum) << std::endl;
    }

    return 0;

}