#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,a[11]={};
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>m;
		a[m]++;
	} 
	for(int i=1;i<=10;i++){
		if(a[i]!=0) cout<<i<<" "<<a[i]<<endl;
	}
	return 0;
}

#include <iostream>//hetao3097453
using namespace std;
int a[101];
int main()
{
    int n,maxx = -1,maxi = 0,x = 0;
    cin >> n;
    for(int i = 1;i <= n;i++)
    {
        cin >> x;
        a[x]++;
    }
    for(int i = 1;i <= n;i++)
    {
        if(a[i] == 0)
        {
            continue;
        }
        else
        {
            cout << i << " " << a[i] << endl;
        }
    }
    return 0;
}