import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner scanner
= new Scanner
(System.
in); String line1
= scanner.
nextLine(); String[] a
= line1.
split(","); for (int i
= a.
length - 1; i
>= 0; i
--) System.
out.
print(a
[i
] + " "); }
}
//https://pt.stackoverflow.com/q/456523/101
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