import java.util.Scanner;

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