import java.io.*;
import java.util.*;
public class Main implements Runnable{
    
    private void solve()throws IOException{
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    }

     
    ///////////////////////////////////////////////////////////

    final long mod=(long)(1e9+7);
    final int inf=(int)(1e9+1);
    final int maxn=(int)(1e6);
    final long lim=(long)(1e18);

    public void run(){
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    }
    public static void main(String args[])throws IOException{
        new Main().run();
    } 
    int max(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    }
    int min(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    }
    void debug(Object ... a){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    void debug(int a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debug(long a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debuga(Object a[]){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    BufferedReader br;
    StringTokenizer st;
    PrintWriter out;
    String nextToken()throws IOException{
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    }
    String nextLine()throws IOException{
        return br.readLine();
    }
    int nextInt()throws IOException{
        return Integer.parseInt(nextToken());
    }
    long nextLong()throws IOException{
        return Long.parseLong(nextToken());
    }
    double nextDouble()throws IOException{
        return Double.parseDouble(nextToken());
    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main implements Runnable{
    
    private void solve()throws IOException{
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    }

     
    ///////////////////////////////////////////////////////////

    final long mod=(long)(1e9+7);
    final int inf=(int)(1e9+1);
    final int maxn=(int)(1e6);
    final long lim=(long)(1e18);

    public void run(){
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    }
    public static void main(String args[])throws IOException{
        new Main().run();
    } 
    int max(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    }
    int min(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    }
    void debug(Object ... a){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    void debug(int a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debug(long a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debuga(Object a[]){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    BufferedReader br;
    StringTokenizer st;
    PrintWriter out;
    String nextToken()throws IOException{
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    }
    String nextLine()throws IOException{
        return br.readLine();
    }
    int nextInt()throws IOException{
        return Integer.parseInt(nextToken());
    }
    long nextLong()throws IOException{
        return Long.parseLong(nextToken());
    }
    double nextDouble()throws IOException{
        return Double.parseDouble(nextToken());
    }
} Main final long mod=(long)(1e9+7); mod (long)(1e9+7) 1e9 7 final int inf=(int)(1e9+1); inf (int)(1e9+1) 1e9 1 final int maxn=(int)(1e6); maxn (int)(1e6) final long lim=(long)(1e18); lim (long)(1e18) BufferedReader br; br StringTokenizer st; st PrintWriter out; out private void solve()throws IOException{
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    } solve {
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    } String s=nextLine(); s nextLine() nextLine for(int i=0;i<s.length();i++)
            out.print('x'); int i=0; int i=0; i 0 i<s.length() i s.length() s.length s i++ i++ i out.print('x'); out.print('x') out.print out 'x' public void run(){
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    } run {
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    } try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        } catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        } Exception e {
            e.printStackTrace();
            System.exit(1);
        } e.printStackTrace() e.printStackTrace e System.exit(1) System.exit System 1 {
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        } br=new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) st=null st null out=new PrintWriter(System.out) out new PrintWriter(System.out) solve() solve br.close() br.close br out.close() out.close out public static void main(String args[])throws IOException{
        new Main().run();
    } main {
        new Main().run();
    } new Main().run() new Main().run new Main() String args[] args int max(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    } max {
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    } int ret=a[0]; ret a[0] a 0 for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]); int i=1; int i=1; i 1 i<a.length i a.length a a.length i++ i++ i ret=Math.max(ret,a[i]); ret=Math.max(ret,a[i]) ret Math.max(ret,a[i]) Math.max Math ret a[i] a i return ret; ret int ... a a int min(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    } min {
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    } int ret=a[0]; ret a[0] a 0 for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]); int i=1; int i=1; i 1 i<a.length i a.length a a.length i++ i++ i ret=Math.min(ret,a[i]); ret=Math.min(ret,a[i]) ret Math.min(ret,a[i]) Math.min Math ret a[i] a i return ret; ret int ... a a void debug(Object ... a){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    } debug {
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    } System.out.print("> ") System.out.print System.out System System.out "> " for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" "); int i=0; int i=0; i 0 i<a.length i a.length a a.length i++ i++ i System.out.print(a[i]+" "); System.out.print(a[i]+" ") System.out.print System.out System System.out a[i]+" " a[i] a i " " System.out.println() System.out.println System.out System System.out Object ... a a void debug(int a[]){debuga(Arrays.stream(a).boxed().toArray());} debug {debuga(Arrays.stream(a).boxed().toArray());} debuga(Arrays.stream(a).boxed().toArray()) debuga Arrays.stream(a).boxed().toArray() Arrays.stream(a).boxed().toArray Arrays.stream(a).boxed() Arrays.stream(a).boxed Arrays.stream(a) Arrays.stream Arrays a int a[] a void debug(long a[]){debuga(Arrays.stream(a).boxed().toArray());} debug {debuga(Arrays.stream(a).boxed().toArray());} debuga(Arrays.stream(a).boxed().toArray()) debuga Arrays.stream(a).boxed().toArray() Arrays.stream(a).boxed().toArray Arrays.stream(a).boxed() Arrays.stream(a).boxed Arrays.stream(a) Arrays.stream Arrays a long a[] a void debuga(Object a[]){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    } debuga {
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    } System.out.print("> ") System.out.print System.out System System.out "> " for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" "); int i=0; int i=0; i 0 i<a.length i a.length a a.length i++ i++ i System.out.print(a[i]+" "); System.out.print(a[i]+" ") System.out.print System.out System System.out a[i]+" " a[i] a i " " System.out.println() System.out.println System.out System System.out Object a[] a String nextToken()throws IOException{
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    } nextToken {
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    } while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine()); st==null || !st.hasMoreTokens() st==null st null !st.hasMoreTokens() st.hasMoreTokens() st.hasMoreTokens st st=new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st String nextLine()throws IOException{
        return br.readLine();
    } nextLine {
        return br.readLine();
    } return br.readLine(); br.readLine() br.readLine br int nextInt()throws IOException{
        return Integer.parseInt(nextToken());
    } nextInt {
        return Integer.parseInt(nextToken());
    } return Integer.parseInt(nextToken()); Integer.parseInt(nextToken()) Integer.parseInt Integer nextToken() nextToken long nextLong()throws IOException{
        return Long.parseLong(nextToken());
    } nextLong {
        return Long.parseLong(nextToken());
    } return Long.parseLong(nextToken()); Long.parseLong(nextToken()) Long.parseLong Long nextToken() nextToken double nextDouble()throws IOException{
        return Double.parseDouble(nextToken());
    } nextDouble {
        return Double.parseDouble(nextToken());
    } return Double.parseDouble(nextToken()); Double.parseDouble(nextToken()) Double.parseDouble Double nextToken() nextToken Runnable public class Main implements Runnable{
    
    private void solve()throws IOException{
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    }

     
    ///////////////////////////////////////////////////////////

    final long mod=(long)(1e9+7);
    final int inf=(int)(1e9+1);
    final int maxn=(int)(1e6);
    final long lim=(long)(1e18);

    public void run(){
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    }
    public static void main(String args[])throws IOException{
        new Main().run();
    } 
    int max(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    }
    int min(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    }
    void debug(Object ... a){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    void debug(int a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debug(long a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debuga(Object a[]){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    BufferedReader br;
    StringTokenizer st;
    PrintWriter out;
    String nextToken()throws IOException{
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    }
    String nextLine()throws IOException{
        return br.readLine();
    }
    int nextInt()throws IOException{
        return Integer.parseInt(nextToken());
    }
    long nextLong()throws IOException{
        return Long.parseLong(nextToken());
    }
    double nextDouble()throws IOException{
        return Double.parseDouble(nextToken());
    }
} public class Main implements Runnable{
    
    private void solve()throws IOException{
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    }

     
    ///////////////////////////////////////////////////////////

    final long mod=(long)(1e9+7);
    final int inf=(int)(1e9+1);
    final int maxn=(int)(1e6);
    final long lim=(long)(1e18);

    public void run(){
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    }
    public static void main(String args[])throws IOException{
        new Main().run();
    } 
    int max(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    }
    int min(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    }
    void debug(Object ... a){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    void debug(int a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debug(long a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debuga(Object a[]){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    BufferedReader br;
    StringTokenizer st;
    PrintWriter out;
    String nextToken()throws IOException{
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    }
    String nextLine()throws IOException{
        return br.readLine();
    }
    int nextInt()throws IOException{
        return Integer.parseInt(nextToken());
    }
    long nextLong()throws IOException{
        return Long.parseLong(nextToken());
    }
    double nextDouble()throws IOException{
        return Double.parseDouble(nextToken());
    }
} Main
import java.io.*;
import java.util.*;
public class Main implements Runnable{
    
    private void solve()throws IOException{
        String s=nextLine();
        for(int i=0;i<s.length();i++)
            out.print('x');
    }

     
    ///////////////////////////////////////////////////////////

    final long mod=(long)(1e9+7);
    final int inf=(int)(1e9+1);
    final int maxn=(int)(1e6);
    final long lim=(long)(1e18);

    public void run(){
        try{
            br=new BufferedReader(new InputStreamReader(System.in));
            st=null;
            out=new PrintWriter(System.out);

            solve();

            // int t=nextInt();
            // for(int i=1;i<=t;i++){
            //     // out.print("Case #"+i+": ");
            //     solve();
            // }

            br.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            System.exit(1);
        }
    }
    public static void main(String args[])throws IOException{
        new Main().run();
    } 
    int max(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.max(ret,a[i]);
        return ret;
    }
    int min(int ... a){
        int ret=a[0];
        for(int i=1;i<a.length;i++)
        ret=Math.min(ret,a[i]);
        return ret;
    }
    void debug(Object ... a){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    void debug(int a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debug(long a[]){debuga(Arrays.stream(a).boxed().toArray());}
    void debuga(Object a[]){
        System.out.print("> ");
        for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
        System.out.println();
    }
    BufferedReader br;
    StringTokenizer st;
    PrintWriter out;
    String nextToken()throws IOException{
        while(st==null || !st.hasMoreTokens())
        st=new StringTokenizer(br.readLine());
        return st.nextToken();
    }
    String nextLine()throws IOException{
        return br.readLine();
    }
    int nextInt()throws IOException{
        return Integer.parseInt(nextToken());
    }
    long nextLong()throws IOException{
        return Long.parseLong(nextToken());
    }
    double nextDouble()throws IOException{
        return Double.parseDouble(nextToken());
    }
}