#include <iostream>
#include <cmath>
using namespace std;


int dist1(int a, int x, int N)
{
    if(x>=a)
    {
        return x-a;
    }
    else
    {
        return N-a+x;
    }
}

int dist2(int b, int y, int N)
{
    if(b>=y)
    {
        return b-y;
    }
    else
    {
        return b+N-y;
    }
}

int main()
{
    int N;
    int a;
    int x;
    int b;
    int y;
    cin >> N;
    cin >> a;
    cin >> x;
    cin >> b;
    cin >> y;
    int dist_x;
    int dist_y;
    dist_x=dist1(a,x, N);
    dist_y=dist2(b,y, N);
    float c = float(a)+float(b);
    float a1 = c/2;
    float a2 = (c+N)/2;
    float a3 = (c-N)/2;
    if(floor(a1)==a1 && dist1(a, int(a1), N) <= dist_x && dist1(a, int(a1), N)<=dist_y)
    {
        cout << "YES";
        return 0;
    }
    if(floor(a2)==a2 && dist1(a, int(a2), N) <= dist_x && dist1(a, int(a2), N)<=dist_y)
    {
        cout << "YES";
        return 0;
    }
    if(floor(a3)==a3 && dist1(a, int(a3), N) <= dist_x && dist1(a, int(a3), N)<=dist_y)
    {
        cout << "YES";
        return 0;
    }
    cout << "NO";
    return 0;
}