
import java.util.Vector;

class Main{
	public static void main(String[] av){
		Vector<StringBuffer> vec = new Vector<StringBuffer>();
		java.util.Scanner sc = new java.util.Scanner(System.in);
		while( sc.hasNext() ){
			vec.add( new StringBuffer(sc.next()) );
		}
		for ( StringBuffer str : vec ){
			System.out.println( str.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