#include <iostream>

using namespace std;

int nr, n, a[100010], ok;

int main()
{
    cin >> n;
    for( int i = 1; i <= n ; i ++ )
    {
        cin >> a[i];
    }

    for( int i = 1; i <= n - 18 ; i ++ )
    {
        ok = 1;
        for( int j = i; j <= i + 8;j ++ )
            if( a[j] >= a[j+1])
            {
                ok = 0;
                break;
            }
        if( ok )
        {
            ok = 1;
            for( int j = i + 9; j <= i + 17; j ++ )
            {
                if( a[j] <= a[j+1] )
                {
                    ok = 0;
                    break;
                }
            }
            if( ok )
                nr++;
        }
    }

    cout << nr;
    return 0;
}