import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	}

} Main public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String s = br.readLine(); s br.readLine() br.readLine br br.close() br.close br StringBuffer sb = new StringBuffer(); sb new StringBuffer() int len = s.length(); len s.length() s.length s for(int i = 0;i<len;i++) {
			sb.append('x');
		} int i = 0; int i = 0; i 0 i<len i len i++ i++ i {
			sb.append('x');
		} {
			sb.append('x');
		} sb.append('x') sb.append sb 'x' System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	}

} public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	}

} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s = br.readLine();
		br.close();
		StringBuffer sb = new StringBuffer();
		int len = s.length();
		for(int i = 0;i<len;i++) {
			sb.append('x');
		}
		System.out.println(sb.toString());
	}

}
