import java.util.Scanner;
public class Main {
  public static void main( String[] args ) {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  }
} import java.util.Scanner; Scanner java.util public class Main {
  public static void main( String[] args ) {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  }
} Main public static void main( String[] args ) {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  } main {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String S = scan.next(); S scan.next() scan.next scan int strLen = S.length(); strLen S.length() S.length S String ans = ""; ans "" for( int i = 0; i < strLen; i++ )ans += "x"; int i = 0; int i = 0; i 0 i < strLen i strLen i++ i++ i ans += "x"; ans += "x" ans "x" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
  public static void main( String[] args ) {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  }
} public class Main {
  public static void main( String[] args ) {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  }
} Main
import java.util.Scanner;
public class Main {
  public static void main( String[] args ) {
	  Scanner scan = new Scanner(System.in);
	  String S = scan.next();
	  int strLen = S.length();
	  String ans = "";
	  for( int i = 0; i < strLen; i++ )ans += "x";
	  System.out.println(ans);
  }
}