#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
   int t;
    cin>>t;
    int a[t];
    int count=0;
    for(int i=0;i<t;i++)
        {
        
        cin>>a[i];
    }
    
    for(int j=0;j<t-1;j++)
        {
        if(a[j]>=a[j+1]) count++;
    }
    int ans=2*((t+1)/2)-count;
    cout<<ans;
    return 0;
}