Untitled

//18
//18
//18
//18
//18
#include <bits/stdc++.h>
using namespace std;

void swap(signed long long int *a,long long int *b){
    int tmp = *a;
    *a = *b;
    *b = tmp;
}
void bubble_sort(signed long long int array[],int N){
    for(int i = 0 ; i < N - 1 ; i++){
        for(int j = 0 ; j < N-i-1 ;j++){
            if(array[j]> array[j+1]){
                swap(array[j],array[j+1]);
            }
        }
    }
}
int main(){
    int N;
    cin >> N;
    signed long long int array[N];
    for(int i = 0 ; i < N ; i++) cin >> array[i];

    bubble_sort(array,N);
   
    map<signed long long int ,int>m;
    
    for(int i = 0 ; i < N ; i++) mapping[array[i]]++;
    
    int visited = 0;
    set<signed long long int> s;
    for(int i = 0 ; i < N ; i++) s.insert(array[i]);
    
    for(auto i : s) cout << i <<" "<< mapping[i] <<endl;
}