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