execute if block 73 84 88 redstone_block run scoreboard players set FF s 1
execute if block 73 84 88 redstone_block run team modify friends friendlyFire false
execute if block 73 84 88 redstone_block run setblock 73 84 88 air


execute unless block 73 84 88 redstone_block unless score FF s matches 1 run team modify friends friendlyFire true
execute unless block 73 84 88 redstone_block unless score FF s matches 1 run setblock 73 84 88 redstone_block


scoreboard players reset FF s