import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Main{
	public static int max(int a, int b) {
		if(a>=b) return a;
		else return b;
	}
    public static void main(String args[]) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        int cass = Integer.parseInt(br.readLine());
        String[] arr = br.readLine().split(" ");
        int[] res = new int[cass];

        for(int i=0;i<cass;i++) {
        	res[i] = Integer.parseInt(arr[i]);
        }

        int[] inc = new int[cass];
        inc[0] = 1;
        for(int i=1;i<cass;i++) {
        	for(int j=i-1;j>=0;j--) {
        		int max = 1;
        		if(res[j]<res[i]) {
        			max = max(max,inc[j]);
        			inc[i] = max(inc[i],max+1);
        		}else inc[i] = max(inc[i],1);
        	}
        }

        int[] dec = new int[cass];
        dec[cass-1] = 1;
        for(int i=cass-1;i>=0;i--) {
        	for(int j=i+1;j<cass;j++) {
        		int max = 1;
        		if(res[j]<res[i]) {
        			max = max(max,dec[j]);
        			dec[i] = max(dec[i],max+1);
        		}else dec[i] = max(dec[i],1);
        	}
        }

        int[] ans = new int[cass];
        int max = 1;
        for(int i=0;i<cass;i++) {
        	ans[i] = inc[i]+dec[i]-1;
        	max = max(max,ans[i]);
        }

        bw.write(max+"");
        bw.flush();
        bw.close();
    }
}