#include<iostream>
using namespace std;
class school
{
    public:
    int N,grade;
    string Name,students,designation;
    public:
    void teacher()
    {
        cout<<"Teacher:"<<Name<<","<<"Subject:"<<subject<<endl;
    }
    void students()
    {
        cout<<"student:"<<Name<<","<<"Grade:"<<grade<<endl;
    }
};
int main()
{
    int N;
    for(int i=1;i<=N;i++)
    {
        school person;
        cin>>person.designation>>person.Name;
        if (person.designation == "Students")
        {
            cin>>person.grade <1 || person.grade>12)
            {
                cout<<"Invalid input"<<endl;
                return 0;
            }
            person.students();
        }
        else if (person.designation == "Teacher")
        {
            cin>>peson.subject;
            person.teacher();
        }
        else
        {
            cout<<"Invalid input"<<endl;
            return 0;
        }
    }
    return 0;
}