#include<cstdio>
#include<cstring>
#include<algorithm>

using namespace std;

char num[100005][12];
int t, a, b, n;
int dayy[2][12] = { { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } };

bool check1(char k[])
{
    int a0 = k[6] - k[7];
    int a1 = k[7] - k[8];
    int a2 = k[8] - k[9];
    int a3 = k[9] - k[10];
    if (a0 == 0 && a1 == 0 && a2 == 0 && a3 == 0)
        return true;
    return false;
}

bool check2(char k[])
{
    int a0 = k[6] - k[7];
    int a1 = k[7] - k[8];
    int a2 = k[8] - k[9];
    int a3 = k[9] - k[10];
    if (a1 == 1 && a2 == 1 && a3 == 1 && a0 == 1)
        return true;
    else if (a1 == -1 && a2 == -1 && a3 == -1 && a0 == -1)
        return true;
    return false;
}

bool check3(char k[])
{
    int year = (k[3] - '0') * 1000 + (k[4] - '0') * 100 + (k[5] - '0') * 10 + (k[6] - '0');
    int month = (k[7] - '0') * 10 + (k[8] - '0');
    int day = (k[9] - '0') * 10 + (k[10] - '0');
    if(year >= 1980 && year <= 2016)
    {
        if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
        {
            if (month <= 12 && month >= 1)
            {
                if (dayy[1][month - 1] >=day && day >= 1)
                    return true;
            }
        }
        else
        {
            if (month <= 12 && month >= 1)
            {
                if (dayy[0][month - 1] >=day && day >= 1)
                    return true;
            }
        }
    }
    return false;
}

int main(void)
{
    while (scanf("%d", &t) != EOF)
    {
        while (t--)
        {
            __int64 sum = 0;
            bool flag = false;
            scanf("%d %d %d", &n, &a, &b);
            for (int i = 0; i < n; i++)
            {
                flag = false;
                getchar();
                 scanf("%s", num[i]);
                if (check1(num[i]))
                    flag = true;
                if (check2(num[i]))
                    flag = true;
                if (check3(num[i]))
                    flag = true;
                if (flag)
                    sum += a;
                else
                    sum += b;
            }
            printf("%I64d\n", sum);
        }
    }
    return 0;
}