#include <stdio.h>

int isEven(char exprtk[], int nums[], int N)
{
    int multip_ns[N],
        newExp[N - 1];

    for (int i = 0; i < N; i++)
    {
        multip_ns[i] = nums[i];
    }

    for (int i = 0; i < N - 1; i++)
    {
        if (exprtk[i] == '*')
        {
            printf("Hi");
            multip_ns[i] = multip_ns[i] * multip_ns[i + 1];
            if (i <= N - 1) multip_ns[i + 1] = multip_ns[i + 2];
        }
        else newExp[i] = exprtk[i];
    }

    int result = 0;

    for (int i = 0; i < N - 1; i++)
    {
        if (exprtk[i] == '+')
            result += multip_ns[i + 1];
        if (exprtk[i] == '-')
            result -= multip_ns[i + 1];
    }

   /* int step = 0;
    int r = 0;
    for (int i = 0; i < N - 1; i++)
    {
        if (exprtk[i] == '*')
        {
            if(step==0)
             multip_ns[step] = nums[i] * nums[i + 1];
             if (i <= N - 1) i++;
             step++;
        }
        else
            multip_ns[i] = nums[i];
    }
*/
    if (result % 2 == 0)
        return 1;
    else
        return 0;
}

int main()
{
    int N, M;
    char token, exprtk[N - 1];
    int nums[N];

    scanf("%d %d", &N, &M);

    for (int i = 0; i < N; i++)
    {
        if(i < N - 1)
        {
            scanf("%d %c", &nums[i], &token);
            exprtk[i] = token;
        }
        else
            scanf("%d", &nums[i]);
    }

    if (isEven(exprtk, nums, N) == 1)
    {
        printf("even\n");
    }
    else
    {
        printf("odd\n");
    }

    int pos, change;

    for (int i = 0; i < M; i++)
    {
        scanf("%d %d", &pos, &change);
        nums[pos] = change;

        if (isEven(exprtk, nums, N) == 1)
        {
            printf("even\n");
        }
        else
        {
            printf("odd\n");
        }

    }

    return 0;
}