
public class Main {
	public static void main(String[] args) {
		java.util.Scanner sc = new java.util.Scanner(System.in);
		String original = sc.next();
		String to_reverse = "";
		
		for (int i = original.length() - 1; i >= 0; i--) {
			to_reverse += original.charAt(i);
		}
		
		System.out.println(to_reverse);
	}

}
/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