#include <iostream>
#include <vector>

using namespace std;

struct lab;

struct lab
{
    int desks;
    int monitors;
    vector<lab*> neighbours;
};

lab* g_labs;

void do_cmd_add()
{
    int count;
    scanf("%d", &count);

    char item = 0;
    for (;;)
    {
        item = getc(stdin);
        if (item == 'd') 
        {
            getc(stdin); // e
            getc(stdin); // s
            getc(stdin); // k
            break;
        }
        if (item == 'm')
        {
            getc(stdin); // o
            getc(stdin); // n
            getc(stdin); // i
            getc(stdin); // t
            getc(stdin); // o
            getc(stdin); // r
            break;
        }
    }


    int lab;
    scanf("%d", &lab);

    for (auto& it : g_lab[lab - 1]->neighbours)
    {
        if (item == 'd') it->monitors += count;
        if (item == 'm') it->desks += count;
    }

    if (item == 'd') g_labs[lab - 1].desks += count;
    if (item == 'm') g_labs[lab - 1].monitors += count;
}

void do_cmd_check()
{
    int lab;
    scanf("%d", &lab);

    ::lab* l = &g_labs[lab - 1];
    int monitors = l->monitors;
    int desks = l->desks;

    if (desks > monitors) puts("desks");
    else if (desks < monitors) puts("monitors");
    else puts("same");
}

int main()
{
    int n, m, q;
    scanf("%d %d %d\n", &n, &m, &q);

    g_labs = new lab[n];

    for (int i = 0; i < n; i++) scanf("%d ", &g_labs[i].desks);
    for (int i = 0; i < n; i++) scanf("%d ", &g_labs[i].monitors);

    for (int i = 0; i < m; i++)
    {
        int l1, l2;
        scanf("%d %d", &l1, &l2);

        g_labs[l1 - 1].neighbours.push_back(&g_labs[l2 - 1]);
        g_labs[l2 - 1].neighbours.push_back(&g_labs[l1 - 1]);

        g_labs[l1 - 1].desks += g_labs[l2 - 1].desks;
        g_labs[l2 - 1].desks += g_labs[l1 - 1].desks;
        g_labs[l2 - 1].monitors += g_labs[l1 - 1].monitors;
        g_labs[l1 - 1].monitors += g_labs[l2 - 1].monitors;
    }

    for (int i = 0; i < q; i++)
    {
        char cmd = 0;
        for (;;)
        {
            cmd = getc(stdin);
            if (cmd == 'c') 
            {
                getc(stdin); // h
                getc(stdin); // e
                getc(stdin); // c
                getc(stdin); // k
                do_cmd_check();
                break;
            }
            if (cmd == 'a')
            {
                getc(stdin); // d
                getc(stdin); // d
                do_cmd_add();
                break;
            }
        }
    }

    return 0;
}