static void Main()
{
int N = int.Parse(Console.ReadLine());
int M = int.Parse(Console.ReadLine());
string bigBossName = Console.ReadLine();
Employee bigBoss = new Employee(bigBossName);
Dictionary<string, Employee> employees = new Dictionary<string,Employee>();
employees.Add(bigBossName, bigBoss);
for (int i = 1; i < N; i++)
{
string name = Console.ReadLine();
Employee employee = new Employee(name);
employees.Add(name, employee);
}
for (int i = 0; i < M; i++)
{
string[] names = Console.ReadLine().Split(' ');
string superiorName = names[0];
for (int j = 1; j < names.Length; j++)
{
employees[superiorName].AddSubordinate(employees[names[j]]);
}
}
DFS(employees[bigBossName]);
Console.WriteLine(salaries);
}
private static void DFS(Employee employee)
{
if (employee.Subordinates.Count == 0)
{
employee.Salary = 1;
}
foreach (var subordinate in employee.Subordinates)
{
DFS(subordinate);
employee.Salary += subordinate.Salary;
}
salaries += employee.Salary;
}
public void AddSubordinate(Employee employee)
{
this.Subordinates.Add(employee);
}