package q151

import "strings"

func reverseWords(s string) string {
	b := strings.Builder{}
	fields := strings.Fields(s)
	if len(fields) > 0 {
		b.WriteString(fields[len(fields)-1])
	}
	for i := len(fields) - 2; i >= 0; i-- {
		b.WriteByte(' ')
		b.WriteString(fields[i])
	}

	return b.String()
}

var _ = reverseWords