#include<iostream>
using namespace std;
int main() {
    int a[110],n,i,c=0;
    cin>>n;
    for(i = 1; i <= n; i++) {
        cin>>a[i];
    }
     
    for(i = 1;i <= n;i++){
        c++;
        if(i == n || a[i] != a[i + 1]){
            if(c != 1)
            cout<<a[i]<<" "<<c<<endl;
            c = 0;
        }
    }
    return 0;
}
/**************************************************************
	Problem: 1886
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/