---

#include<iostream>
using namespace std;
int main()
{
 int a,all[200001];
 while(cin>>a)
 {
  for(int g=0;g<a;g++)
   cin>>all[g];
  sort(all,all+a);
   int count=1;
   for(int g=1;g<a;g++)
   {
   if(all[g]==all[g-1]&&g!=a-1)  
    count++;
   else
   {
    if(g==a-1)
    {
     if(all[g]==all[g-1])
      cout<<all[g]<<" "<<count+1<<endl; 
     else 
     {
      cout<<all[g-1]<<" "<<count<<endl;
      cout<<all[g]<<" "<<1<<endl; 
     }
     
    }
    else
    {
     cout<<all[g-1]<<" "<<count<<endl;
     count=1; 
    }
   }
  }
 }
return 0;
}
不知道哪裡錯