using System;

public class Hello
{
    static void Main()
    {
        var n = int.Parse(Console.ReadLine().Trim());
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        getAns(n, a);
    }
    static void getAns(int n, int[] a)
    {
        var np = 0;
        for (int i = 0; i < n; i++)
        {
            if (a[i] == n) { np = i; break; }
        }
        var count = 1;
        var t = n;
        for (int i = np - 1; i >= 0; i--)
        {
            if (a[i] < t) { count++; t = a[i]; }
        }
        Console.WriteLine(n - count);
    }
}