#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("YES");}else{puts("NO");}
#define MAX_N 200005

int main() {
    int n; cin >> n;
    int a[n] = {};
    rep(i,n) cin >> a[i];
    vector<P> v;
    rep(i,n){
        v.push_back(P(a[i],i));
    }
    sort(v.begin(), v.end());
    int f[n] = {};
    int ans = 0;
    rep(i,n){
        int x = v[i].second;
        if(f[x]) continue;
        ans++;
        f[x] = 1;
        if(x > 0) f[x-1] = 1;
    }
    cout << ans << endl;
    return 0;
}