import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    } main {
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc int len = S.length(); len S.length() S.length S StringBuilder bld = new StringBuilder(); bld new StringBuilder() for(int i=0;i<len;i++){
            bld.append("x");
        } int i=0; int i=0; i 0 i<len i len i++ i++ i {
            bld.append("x");
        } {
            bld.append("x");
        } bld.append("x") bld.append bld "x" System.out.println(bld.toString()) System.out.println System.out System System.out bld.toString() bld.toString bld String[] args args public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    }
} public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        int len = S.length();
        StringBuilder bld = new StringBuilder();
        for(int i=0;i<len;i++){
            bld.append("x");
        }
        System.out.println(bld.toString());
    }
}