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