execute as @e[type=armor_stand,tag=MoveSkeleStand] run execute at @s[tag=!FoundYCoord] run tp @s ~ ~.17 ~
execute as @e[type=armor_stand,tag=MoveSkeleStand] run execute at @s positioned ~-1 140 ~-1 run execute at @s[dx=2,dy=3,dz=2] run tag @s add FoundYCoord
execute as @s[tag=SkeleSummoned,scores={AttackTimer=276..300}] run execute unless entity @e[type=armor_stand,tag=MoveSkeleStand,tag=!FoundYCoord] run scoreboard players set @s AttackTimer 300