#include <cstdio>
#include <cstdlib>

#define MAX_ROOMS 100
#define MAX_VISITORS 1024

struct Visitor
{
    int v_id, r_id, time;
    char state;
};


int main()
{
    int n_lines = 0, i = 0;

    FILE* fp = fopen("input2.txt", "r");


        fscanf(fp, "%d", &n_lines);

        struct Visitor* visitors = (Visitor*)malloc(n_lines*sizeof(Visitor));

        int v_id, r_id, time;
        char state;

        while(fscanf(fp, "%d %d %c %d", &v_id, &r_id, &state, &time) != EOF)
        {
            visitors[i].v_id = v_id;
            visitors[i].r_id = r_id;
            visitors[i].state = state;
            visitors[i].time = time;
            i++;
        }

    int k = 0;
    bool room_entered = false;

    while(k < MAX_ROOMS)
    {
        int num_visitors = 0, in_time = 0, out_time = 0;

        for(int j = 0; j < i; ++j)
        {
            if(visitors[j].r_id == k)
            {

                num_visitors++;
                room_entered = true;

                if(visitors[j].state == 'I')
                {
                    in_time += visitors[j].time;
                }
                else
                {
                    out_time += visitors[j].time;
                }
            }
        }
        if(room_entered)
        {
            printf("Room %d, %d minute avarage visit, %d visitor(s) total \n", k,
                   ((out_time - in_time) / (num_visitors/2)), num_visitors/2);

            room_entered = false;
        }

       k++;

    }

    fclose(fp);
    free(visitors);

    return 0;
}