#include<bits/stdc++.h>

using namespace std;
const int N=1005;
typedef struct Z{
    int number,count;
    bool operator< (const Z &w)const{
        if(count!=w.count) return count>w.count;
        else return number<w.number;
    }
}Z;
Z q[N];
int main()
{
    for(int i=1;i<=N;++i)
        q[i].number=i;
    int n;
    cin>>n;
    for(int i=1;i<=n;++i)
    {
        int x;
        cin>>x;
        q[x].count++;
    }
    sort(q,q+N);

    for(int i=0;i<n;++i){
        if(q[i].count){
            cout<<q[i].number<<' '<<q[i].count<<endl;
        }
    }

}