#include <iostream>
using namespace std;

int main() {
    int count[16];
    int names[16];
    for(int i = 0; i < n; ++i) {
        count[i] = 0;
        names[i] = i;
    }
    for(int i = 0; i < n; ++i) {
        names[i] = i;
    }
    int n;
    cin >> n;
    int x;
    for(int i = 0; i < n; ++i) {
        cin >> x;
        ++count[x - 1];
    }
    for(int i = 0; i < 15; ++i) {
        for(int j = i + 1; j < 16; ++j) {
            if(count[j] > count[i]) {
                swap(count[i], count[j]);
                swap(names[i], names[j]);
            }
        }
    }

    for(int i = 0; i < 16; ++i) {
        if(count > 0) {
            cout << names[i] << " " << count[i] << endl;
        }
    }

    return 0;
}