#include <iostream>
#include <fstream>
#include <climits>

using namespace std;

int n, sir[200000],d[1000000],maxim=0;
ifstream f("scmax.in");
ofstream g("scmax.out");

int main()
{
    f>>n;
    for(int i=1; i<=n; i++)
        f>>sir[i];

    d[1]=1;

    for(int i=2; i<=n; i++)
    {
        int aux=1;
        for(int j=i-1; j>=1; j--)
        {
            if(sir[i]>sir[j])
                aux=max(aux,d[j]);
        }
        d[i]=aux+1;
        cout<<sir[i]<<" "<<d[i]<<endl;
        maxim=max(d[i],maxim);
    }
    g<<maxim-1<<endl;
    return 0;
}