import java.io.*;
import java.util.*;
import static java.lang.System.*;
import static java.lang.Math.*;

public class Main
{
	public static void main(String []args)throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	}
}

 import java.io.*; io.* java import java.util.*; util.* java import static java.lang.System.*; import static java.lang.System.*; import static java.lang.System.*; import static java.lang.Math.*; import static java.lang.Math.*; import static java.lang.Math.*; public class Main
{
	public static void main(String []args)throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	}
} Main public static void main(String []args)throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	} main {
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	} BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String S = br.readLine(); S br.readLine() br.readLine br int len = S.length(); len S.length() S.length S for(int i=0;i<len;i++)
			out.print("x"); int i=0; int i=0; i 0 i<len i len i++ i++ i out.print("x"); out.print("x") out.print out "x" out.println() out.println out String []args args public class Main
{
	public static void main(String []args)throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	}
} public class Main
{
	public static void main(String []args)throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	}
} Main
import java.io.*;
import java.util.*;
import static java.lang.System.*;
import static java.lang.Math.*;

public class Main
{
	public static void main(String []args)throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String S = br.readLine();
		int len = S.length();
		for(int i=0;i<len;i++)
			out.print("x");
		out.println();
		
	}
}


