class Vec{
	static add(first: List, second: List){
		var count = first.count.min(second.count)
		var result = []
		for(i in 0...count){
			result.add(first[i] + second[i])
		}
		return result
	}

	static sub(first: List, second: List){
		var count = first.count.min(second.count)
		var result = []
		for(i in 0...count){
			result.add(first[i] - second[i])
		}
		return result
	}

	static mul(first: List, second: Any){
		if(first is Num && second is List) return mul(second, first)
		var secondNum = second is Num
		var count = secondNum ? first.count : (first.count.min(second.count))
		var result = []
		for(i in 0...count){
			result.add(first[i] * (secondNum?second:second[i]))
		}
		return result
	}

	static div(first: List, second: Any){
		var secondNum = second is Num
		var count = secondNum ? first.count : first.count.min(second.count)
		var result = []
		for(i in 0...count){
			result.add(first[i] / secondNum?second:second[i])
		}
		return result
	}
}