#include <bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
using ll = long long;
const ll mod = 998244353;
#define fi first
#define se second
#define rep(i,n) for(ll i=0;i<n;i++)
#define all(x) x.begin(),x.end()
#define faster ios::sync_with_stdio(false);cin.tie(nullptr)

int main() {
    ll N;
    cin >> N;
    vector<ll> A(N);
    rep(i,N) cin >> A[i];
    ll id=N-1;
    rep(i,N-1){
        if(A[i+1]>A[i]){
            id=i;
            break;
        }
    }
    ll ans=0;
    for(ll i=id;i>=0;i--){
        if(A[i]==A[id]){
            ans++;
        }else{
            break;
        }
    }
    cout << ans << endl;
    return 0;
}