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

public class Main {

	public static void main(String[] args) throws Exception {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	}


} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {

	public static void main(String[] args) throws Exception {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	}


} Main public static void main(String[] args) throws Exception {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	} main {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	} BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); in new BufferedReader(new InputStreamReader(System.in)) String W = in.readLine(); W in.readLine() in.readLine in String ans = ""; ans "" for(int i=0;i<W.length();i++){
			ans+="x";
		} int i=0; int i=0; i 0 i<W.length() i W.length() W.length W i++ i++ i {
			ans+="x";
		} {
			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) throws Exception {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	}


} public class Main {

	public static void main(String[] args) throws Exception {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	}


} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws Exception {
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String W = in.readLine();

		String ans = "";
		for(int i=0;i<W.length();i++){
			ans+="x";
		}
		System.out.println(ans);

	}


}
