To Use This Command, Follow The Steps Below...

1. Place a Armor Stand.
2. Use the First Command when your 5 blocks or closer to the Armor Stand. 
3. Place a sword in the Armor Stand.
4. Use the Second Command when your 5 blocks or closer to the Armor Stand.
5. The use the Third Command by fiddling with it by editing the ~ like this,  (/tp @e[type=ArmorStand,r=3] ~1 ~1 ~1)