public class Main557 {

public static void main(String[] args){

Main557 main = new Main557();

main.test();

}

public void test(){

System.out.println(reverseWords("Let's take LeetCode contest"));

}

public String reverseWords(String s) {

String[] sArr = s.split("\\s+");

StringBuilder sb = new StringBuilder();

for (String arr:sArr){

char[] chars = arr.toCharArray();

for (int i = chars.length-1;i>=0;i--){

sb.append(chars[i]);

}

sb.append(" ");

}

return sb.toString().trim();

}

}