#include <bits/stdc++.h>
using namespace std;
int main()
{
    int x1,x2,x3,y1,y2,y3;
    cin>>x1>>y1>>x2>>y2>>x3>>y3;
    int x4,y4;
    x4=x3-2;
    y4=x3+1;
    if(x4>=1&&x4<=10&&y4>=1&&y4<=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3-1;
    y4=x3+2;
    if(x4>=1&&x4<=10&&y4>=1&&y4<=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3-1;
    y4=x3-2;
    if(x4>=1&&x4<=10&&y4>=1&&y4<=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3+1;
    y4=x3+2;
    if(x4>=1&&x4<=10&&y4>=1&&y4<=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3+1;
    y4=x3-2;
    if(x4>=1&&x4<=10&&y4>=1&&y4>=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3+1;
    y4=x3-1;
    if(x4>=1&&x4<=10&&y4>=1&&y4>=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3+2;
    y4=x3+1;
    if(x4>=1&&x4<=10&&y4>=1&&y4>=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    x4=x3+2;
    y4=x3-1;
    if(x4>=1&&x4<=10&&y4>=1&&y4>=9)
    {
        if ((abs(x4-x1)+abs(y4-x1)==3&&x4!=x1&&y4!=y1)&&(abs(x4-x2)+abs(y4-y2)==3&&x4!=x2))
        {
            cout <<"Yes";
            return 0;
        }
    }
    cout <<"No";
}