#include<iostream>
#include<string>
using namespace std;
int main()
{
    int n;
    cin>>n;
    if(n<1 || n>10)
    {
        cout<<"Invalid input";
        return 0;
    }
    bool invalid=false;
    string type,name,subject;
    int grade;
    fot (int i=0;i<n;i++)
    {
        cin>>type;
        if(type=="Students")
        {
            cin>>name>>grade;
            if(grade<1 || grade>12)
            {
                invalid=true;
                break;
            }
            cout<<"Student:"<<name<<", Grade: "<<grade<<endl;
        }
        else if(type=="Teacher")
        {
            cin>>name>>subject;
            cout<<"Teacher:"<<name<<", Subject: "<<subject<<endl;
        }
        else{
            invalid=true;
            break;
        }
    }
    if(invalid)
    {
        cout<<"Invalid input";
    }
}