#include<iostream>
using namespace std;
int main()
{
  int n;
  cin>>n;
  
  
  if(n<1 || n>100)
  {
      cout<<"Invalid input";
      return 0;
  }
 
int num;
 string ani,ty;
 int bird=0,mammal=0,reptile=0;
  for(int i=0;i<n;i++)
  {
      cin>>ani>>ty>>num;
      
      if(num<0)
      {
          cout<<"Invalid input";
          return 0;
      }
      if(ty=="Bird")
      {
          bird+=num;
      }
      else if(ty=="Mammal")
      {
          mammal+=num;
      }
      else if(ty=="Reptile")
      {
          reptile+=num;
      }
      else
      {
          cout<<"Invalid input";
          return 0;
      }
     if(bird>0)
     {
         cout<<"Bird"<<" "<<bird<<endl;
     }

        
    
  }