#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
using namespace std;
char str[12];
//0 1 2     3 4 5     6 7 8 9 10
int days[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
bool isrun(int num)
{
    if((num%4 == 0&&num%100!=0)||num%400==0)
        return true;
    return false;
}
bool check()
{
    int i;
    if(str[6]==str[7]&&str[7]==str[8]&&str[8]==str[9]&&str[9]==str[10])
        return true;
    for(i = 6; i < 10; i++)
    {
        if(str[i]-str[i + 1] !=1)
            break;
    }
    if(i == 10)
        return true;
    for(i = 6; i < 10; i++)
    {
        if(str[i+1]-str[i] !=1)
            break;
    }
    if(i == 10)
        return true;
    int year = (str[3]-'0')*1000+(str[4]-'0')*100+(str[5]-'0')*10+(str[6]-'0');
    bool flag = isrun(year);
    int month = (str[7]-'0')*10+(str[8]-'0');
    int day = (str[9]-'0')*10+(str[10]-'0');
    if(year<1980||year>2016)
        return false;
    if(month < 1||month > 12||day < 1 || day > 31)
        return false;
    if(flag == true)
    {
        if(month == 2 && day <= days[2] + 1)
            return true;
        else if(month != 2 && day <= days[month])
            return true;
        else
            return false;
    }
    else
    {
        if(day <= days[month])
            return true;
        else
            return false;
    }
    return false;
}
int main()
{
    int re;
    scanf("%d",&re);
    while(re--)
    {
        int n;
        long long a,b;
        scanf("%d%I64d%I64d",&n,&a,&b);
        long long sum = 0;
        for(int i = 0; i < n; i++)
        {
            getchar();
            scanf("%s",str);
//            cout << check() << endl;
            if(check())
                sum+=a;
            else
                sum+=b;    
        }
        printf("%I64d\n",sum);
    }
 }