import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		while (sc.hasNext()) {
			StringBuffer str = new StringBuffer(sc.nextLine());
			String ret = new String();
			int i, length = str.length();
			for (i = 0; i < length; i++) {
				ret = ret + str.charAt(str.length() - 1);
				str.deleteCharAt(str.length() -1);
			}
			System.out.println(ret);
		}
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz