import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


class Main{
	public static void main(String[] args)throws IOException{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String name;
		while(true){

			try{
				name=br.readLine();
				StringBuffer sb=new StringBuffer(name);
				name=sb.reverse().toString();
				System.out.println(name);
				name="";
				sb=null;

			}

			catch(Exception e){
				System.exit(0);
			}
		}
	}
}
/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