import java.util.*;
import java.io.PrintWriter;
import static java.lang.Integer.*;
import static java.lang.Long.*;
import static java.lang.Math.*;
import static java.lang.System.*;

public class Main {
	public static final int MOD = 1000000007;
	public static void main(String[] args) {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	}
} import java.util.*; util.* java import java.io.PrintWriter; PrintWriter java.io import static java.lang.Integer.*; import static java.lang.Integer.*; import static java.lang.Integer.*; import static java.lang.Long.*; import static java.lang.Long.*; import static java.lang.Long.*; import static java.lang.Math.*; import static java.lang.Math.*; import static java.lang.Math.*; import static java.lang.System.*; import static java.lang.System.*; import static java.lang.System.*; public class Main {
	public static final int MOD = 1000000007;
	public static void main(String[] args) {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	}
} Main public static final int MOD = 1000000007; MOD 1000000007 public static void main(String[] args) {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	} main {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	} int i i j; j Scanner sc = new Scanner(in); sc new Scanner(in) String s = sc.next(); s sc.next() sc.next sc sc.close() sc.close sc for (i = 0; i < s.length(); i++) {
			out.print("x");
		} i = 0; i = 0 i 0 i < s.length() i s.length() s.length s i++ i++ i {
			out.print("x");
		} {
			out.print("x");
		} out.print("x") out.print out "x" out.println() out.println out String[] args args public class Main {
	public static final int MOD = 1000000007;
	public static void main(String[] args) {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	}
} public class Main {
	public static final int MOD = 1000000007;
	public static void main(String[] args) {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	}
} Main
import java.util.*;
import java.io.PrintWriter;
import static java.lang.Integer.*;
import static java.lang.Long.*;
import static java.lang.Math.*;
import static java.lang.System.*;

public class Main {
	public static final int MOD = 1000000007;
	public static void main(String[] args) {
		int i,j;
		Scanner sc = new Scanner(in);
		String s = sc.next();
		sc.close();
		for (i = 0; i < s.length(); i++) {
			out.print("x");
		}
		out.println();
	}
}
