import java.io.*;

class Main {
	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		try{
			String line = reader.readLine();
			for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			}
			System.out.println("");
		}catch(IOException e){
			System.out.println(e);
		}
	}
} import java.io.*; io.* java class Main {
	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		try{
			String line = reader.readLine();
			for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			}
			System.out.println("");
		}catch(IOException e){
			System.out.println(e);
		}
	}
} Main public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		try{
			String line = reader.readLine();
			for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			}
			System.out.println("");
		}catch(IOException e){
			System.out.println(e);
		}
	} main {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		try{
			String line = reader.readLine();
			for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			}
			System.out.println("");
		}catch(IOException e){
			System.out.println(e);
		}
	} BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); reader new BufferedReader(new InputStreamReader(System.in)) try{
			String line = reader.readLine();
			for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			}
			System.out.println("");
		}catch(IOException e){
			System.out.println(e);
		} catch(IOException e){
			System.out.println(e);
		} IOException e {
			System.out.println(e);
		} System.out.println(e) System.out.println System.out System System.out e {
			String line = reader.readLine();
			for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			}
			System.out.println("");
		} String line = reader.readLine(); line reader.readLine() reader.readLine reader for(int i = 0; i < line.length(); i++){
				System.out.print("x");
			} int i = 0; int i = 0; i 0 i < line.length() i line.length() line.length line i++ i++ i {
				System.out.print("x");
			} {
				System.out.print("x");
			} System.out.print("x") System.out.print System.out System System.out "x" System.out.println("") System.out.println System.out System System.out "" String[] args args
import java.io.*;

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