import java.util.Scanner;;
public class ShuZu {
/**
* @param args
*/
public static void main(String[] args) {
Scanner reader=new Scanner(System.in);
System.out.println("输入5个字符");
String[]num;
num=new String[5];
for(int i=0;i<=num.length;i++){
num[i]=reader.next();
}
for(int i=5;i>=0;i--){
System.out.print(num[i]);
}
}
}