command //calc <expression>:
	usage: //calc <expression>
	trigger:
		if command "//calc for(i=0;i<256;i++){for(j=0;j<256;j++){for(k=0;k<256;k++){for(l=0;l<256;l++){ln(pi)}}}}:"
		cancel event
		broadcast "%player%さんが//calcコマンドを悪用しました！"
		ban the player