import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.StringTokenizer;

 class Main {
    public static void main(String[] args) {
        FastReader f = new FastReader();
        String s=is(f);
        int l = s.length();
        for(int i=0; i<l; ++i){
        	print("x");
		}
    }


    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }

    static int ii(FastReader fr) {
        return fr.nextInt();
    }

    static long il(FastReader fr) {
        return fr.nextLong();
    }

    static double id(FastReader fr) {
        return fr.nextDouble();
    }

    static String is(FastReader fr) {
        return fr.nextLine();
    }

    static void print(Object s) {
        System.out.print(s);
    }

    static void printn(Object s) {
        System.out.println(s);
    }

    static long[] inputArrL(int n, FastReader fr, int idx) {
        long[] arr = new long[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLong();
        return arr;
    }

    static int[] inputArr(int n, FastReader fr, int idx) {
        int[] arr = new int[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextInt();
        return arr;
    }

    static String[] inputArrS(int n, FastReader fr, int idx) {
        String[] arr = new String[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLine();
        return arr;
    }

    static int max(int... args) {
        int max = Integer.MIN_VALUE;
        for (int x : args) {
            max = Math.max(x, max);
        }
        return max;
    }

    static int min(int... args) {
        int min = Integer.MAX_VALUE;
        for (int x : args) {
            min = Math.min(x, min);
        }
        return min;
    }

    static long max(long... args) {
        long max = Long.MIN_VALUE;
        for (long x : args) {
            max = Math.max(x, max);
        }
        return max;
    }

    static long min(long... args) {
        long min = Long.MAX_VALUE;
        for (long x : args) {
            min = Math.min(x, min);
        }
        return min;
    }

    static int lenDigit(int d) {
        if (d == 0)
            return 1;
        int l = 0;
        while (d != 0) {
            l++;
            d /= 10;
        }
        return l;
    }

    static void debug(Object... args) {
        for (int i = 0; i < args.length; i += 2) {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        }
        printn("");
    }

    static int MOD = (int) 1e9 + 7;
}
 import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.ArrayList; ArrayList java.util import java.util.StringTokenizer; StringTokenizer java.util class Main {
    public static void main(String[] args) {
        FastReader f = new FastReader();
        String s=is(f);
        int l = s.length();
        for(int i=0; i<l; ++i){
        	print("x");
		}
    }


    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }

    static int ii(FastReader fr) {
        return fr.nextInt();
    }

    static long il(FastReader fr) {
        return fr.nextLong();
    }

    static double id(FastReader fr) {
        return fr.nextDouble();
    }

    static String is(FastReader fr) {
        return fr.nextLine();
    }

    static void print(Object s) {
        System.out.print(s);
    }

    static void printn(Object s) {
        System.out.println(s);
    }

    static long[] inputArrL(int n, FastReader fr, int idx) {
        long[] arr = new long[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLong();
        return arr;
    }

    static int[] inputArr(int n, FastReader fr, int idx) {
        int[] arr = new int[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextInt();
        return arr;
    }

    static String[] inputArrS(int n, FastReader fr, int idx) {
        String[] arr = new String[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLine();
        return arr;
    }

    static int max(int... args) {
        int max = Integer.MIN_VALUE;
        for (int x : args) {
            max = Math.max(x, max);
        }
        return max;
    }

    static int min(int... args) {
        int min = Integer.MAX_VALUE;
        for (int x : args) {
            min = Math.min(x, min);
        }
        return min;
    }

    static long max(long... args) {
        long max = Long.MIN_VALUE;
        for (long x : args) {
            max = Math.max(x, max);
        }
        return max;
    }

    static long min(long... args) {
        long min = Long.MAX_VALUE;
        for (long x : args) {
            min = Math.min(x, min);
        }
        return min;
    }

    static int lenDigit(int d) {
        if (d == 0)
            return 1;
        int l = 0;
        while (d != 0) {
            l++;
            d /= 10;
        }
        return l;
    }

    static void debug(Object... args) {
        for (int i = 0; i < args.length; i += 2) {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        }
        printn("");
    }

    static int MOD = (int) 1e9 + 7;
} Main static int MOD = (int) 1e9 + 7; MOD (int) 1e9 + 7 (int) 1e9 7 public static void main(String[] args) {
        FastReader f = new FastReader();
        String s=is(f);
        int l = s.length();
        for(int i=0; i<l; ++i){
        	print("x");
		}
    } main {
        FastReader f = new FastReader();
        String s=is(f);
        int l = s.length();
        for(int i=0; i<l; ++i){
        	print("x");
		}
    } FastReader f = new FastReader(); f new FastReader() String s=is(f); s is(f) is f int l = s.length(); l s.length() s.length s for(int i=0; i<l; ++i){
        	print("x");
		} int i=0; int i=0; i 0 i<l i l ++i ++i i {
        	print("x");
		} {
        	print("x");
		} print("x") print "x" String[] args args static int ii(FastReader fr) {
        return fr.nextInt();
    } ii {
        return fr.nextInt();
    } return fr.nextInt(); fr.nextInt() fr.nextInt fr FastReader fr fr static long il(FastReader fr) {
        return fr.nextLong();
    } il {
        return fr.nextLong();
    } return fr.nextLong(); fr.nextLong() fr.nextLong fr FastReader fr fr static double id(FastReader fr) {
        return fr.nextDouble();
    } id {
        return fr.nextDouble();
    } return fr.nextDouble(); fr.nextDouble() fr.nextDouble fr FastReader fr fr static String is(FastReader fr) {
        return fr.nextLine();
    } is {
        return fr.nextLine();
    } return fr.nextLine(); fr.nextLine() fr.nextLine fr FastReader fr fr static void print(Object s) {
        System.out.print(s);
    } print {
        System.out.print(s);
    } System.out.print(s) System.out.print System.out System System.out s Object s s static void printn(Object s) {
        System.out.println(s);
    } printn {
        System.out.println(s);
    } System.out.println(s) System.out.println System.out System System.out s Object s s static long[] inputArrL(int n, FastReader fr, int idx) {
        long[] arr = new long[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLong();
        return arr;
    } inputArrL {
        long[] arr = new long[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLong();
        return arr;
    } long[] arr = new long[n + idx]; arr new long[n + idx] n + idx n idx for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLong(); int i = idx; int i = idx; i idx i < n + idx i n + idx n idx i++ i++ i arr[i] = fr.nextLong(); arr[i] = fr.nextLong() arr[i] arr i fr.nextLong() fr.nextLong fr return arr; arr int n n FastReader fr fr int idx idx static int[] inputArr(int n, FastReader fr, int idx) {
        int[] arr = new int[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextInt();
        return arr;
    } inputArr {
        int[] arr = new int[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextInt();
        return arr;
    } int[] arr = new int[n + idx]; arr new int[n + idx] n + idx n idx for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextInt(); int i = idx; int i = idx; i idx i < n + idx i n + idx n idx i++ i++ i arr[i] = fr.nextInt(); arr[i] = fr.nextInt() arr[i] arr i fr.nextInt() fr.nextInt fr return arr; arr int n n FastReader fr fr int idx idx static String[] inputArrS(int n, FastReader fr, int idx) {
        String[] arr = new String[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLine();
        return arr;
    } inputArrS {
        String[] arr = new String[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLine();
        return arr;
    } String[] arr = new String[n + idx]; arr new String[n + idx] n + idx n idx for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLine(); int i = idx; int i = idx; i idx i < n + idx i n + idx n idx i++ i++ i arr[i] = fr.nextLine(); arr[i] = fr.nextLine() arr[i] arr i fr.nextLine() fr.nextLine fr return arr; arr int n n FastReader fr fr int idx idx static int max(int... args) {
        int max = Integer.MIN_VALUE;
        for (int x : args) {
            max = Math.max(x, max);
        }
        return max;
    } max {
        int max = Integer.MIN_VALUE;
        for (int x : args) {
            max = Math.max(x, max);
        }
        return max;
    } int max = Integer.MIN_VALUE; max Integer.MIN_VALUE Integer Integer.MIN_VALUE for (int x : args) {
            max = Math.max(x, max);
        } int x args {
            max = Math.max(x, max);
        } {
            max = Math.max(x, max);
        } max = Math.max(x, max) max Math.max(x, max) Math.max Math x max return max; max int... args args static int min(int... args) {
        int min = Integer.MAX_VALUE;
        for (int x : args) {
            min = Math.min(x, min);
        }
        return min;
    } min {
        int min = Integer.MAX_VALUE;
        for (int x : args) {
            min = Math.min(x, min);
        }
        return min;
    } int min = Integer.MAX_VALUE; min Integer.MAX_VALUE Integer Integer.MAX_VALUE for (int x : args) {
            min = Math.min(x, min);
        } int x args {
            min = Math.min(x, min);
        } {
            min = Math.min(x, min);
        } min = Math.min(x, min) min Math.min(x, min) Math.min Math x min return min; min int... args args static long max(long... args) {
        long max = Long.MIN_VALUE;
        for (long x : args) {
            max = Math.max(x, max);
        }
        return max;
    } max {
        long max = Long.MIN_VALUE;
        for (long x : args) {
            max = Math.max(x, max);
        }
        return max;
    } long max = Long.MIN_VALUE; max Long.MIN_VALUE Long Long.MIN_VALUE for (long x : args) {
            max = Math.max(x, max);
        } long x args {
            max = Math.max(x, max);
        } {
            max = Math.max(x, max);
        } max = Math.max(x, max) max Math.max(x, max) Math.max Math x max return max; max long... args args static long min(long... args) {
        long min = Long.MAX_VALUE;
        for (long x : args) {
            min = Math.min(x, min);
        }
        return min;
    } min {
        long min = Long.MAX_VALUE;
        for (long x : args) {
            min = Math.min(x, min);
        }
        return min;
    } long min = Long.MAX_VALUE; min Long.MAX_VALUE Long Long.MAX_VALUE for (long x : args) {
            min = Math.min(x, min);
        } long x args {
            min = Math.min(x, min);
        } {
            min = Math.min(x, min);
        } min = Math.min(x, min) min Math.min(x, min) Math.min Math x min return min; min long... args args static int lenDigit(int d) {
        if (d == 0)
            return 1;
        int l = 0;
        while (d != 0) {
            l++;
            d /= 10;
        }
        return l;
    } lenDigit {
        if (d == 0)
            return 1;
        int l = 0;
        while (d != 0) {
            l++;
            d /= 10;
        }
        return l;
    } if (d == 0)
            return 1; d == 0 d 0 return 1; 1 int l = 0; l 0 while (d != 0) {
            l++;
            d /= 10;
        } d != 0 d 0 {
            l++;
            d /= 10;
        } l++ l d /= 10 d 10 return l; l int d d static void debug(Object... args) {
        for (int i = 0; i < args.length; i += 2) {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        }
        printn("");
    } debug {
        for (int i = 0; i < args.length; i += 2) {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        }
        printn("");
    } for (int i = 0; i < args.length; i += 2) {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        } int i = 0; int i = 0; i 0 i < args.length i args.length args args.length i += 2 i += 2 i 2 {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        } {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        } print("[" + args[i] + ":" + args[i + 1] + "]" + " ") print "[" + args[i] + ":" + args[i + 1] + "]" + " " "]" args[i + 1] ":" "[" + args[i] + ":" + args[i + 1] + "]" + " " "[" args[i] args i ":" args[i + 1] args i + 1 i 1 "]" " " printn("") printn "" Object... args args static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    } FastReader BufferedReader br; br StringTokenizer st; st public FastReader() {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        } FastReader {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        } br = new BufferedReader(new
                    InputStreamReader(System.in)) br new BufferedReader(new
                    InputStreamReader(System.in)) String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        } next {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        } while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            } st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            } try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } IOException e {
                    e.printStackTrace();
                } e.printStackTrace() e.printStackTrace e {
                    st = new StringTokenizer(br.readLine());
                } st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() {
            return Integer.parseInt(next());
        } nextInt {
            return Integer.parseInt(next());
        } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() {
            return Long.parseLong(next());
        } nextLong {
            return Long.parseLong(next());
        } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() {
            return Double.parseDouble(next());
        } nextDouble {
            return Double.parseDouble(next());
        } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        } nextLine {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        } String str = ""; str "" try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } IOException e {
                e.printStackTrace();
            } e.printStackTrace() e.printStackTrace e {
                str = br.readLine();
            } str = br.readLine() str br.readLine() br.readLine br return str; str
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.StringTokenizer;

 class Main {
    public static void main(String[] args) {
        FastReader f = new FastReader();
        String s=is(f);
        int l = s.length();
        for(int i=0; i<l; ++i){
        	print("x");
		}
    }


    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }

    static int ii(FastReader fr) {
        return fr.nextInt();
    }

    static long il(FastReader fr) {
        return fr.nextLong();
    }

    static double id(FastReader fr) {
        return fr.nextDouble();
    }

    static String is(FastReader fr) {
        return fr.nextLine();
    }

    static void print(Object s) {
        System.out.print(s);
    }

    static void printn(Object s) {
        System.out.println(s);
    }

    static long[] inputArrL(int n, FastReader fr, int idx) {
        long[] arr = new long[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLong();
        return arr;
    }

    static int[] inputArr(int n, FastReader fr, int idx) {
        int[] arr = new int[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextInt();
        return arr;
    }

    static String[] inputArrS(int n, FastReader fr, int idx) {
        String[] arr = new String[n + idx];
        for (int i = idx; i < n + idx; i++)
            arr[i] = fr.nextLine();
        return arr;
    }

    static int max(int... args) {
        int max = Integer.MIN_VALUE;
        for (int x : args) {
            max = Math.max(x, max);
        }
        return max;
    }

    static int min(int... args) {
        int min = Integer.MAX_VALUE;
        for (int x : args) {
            min = Math.min(x, min);
        }
        return min;
    }

    static long max(long... args) {
        long max = Long.MIN_VALUE;
        for (long x : args) {
            max = Math.max(x, max);
        }
        return max;
    }

    static long min(long... args) {
        long min = Long.MAX_VALUE;
        for (long x : args) {
            min = Math.min(x, min);
        }
        return min;
    }

    static int lenDigit(int d) {
        if (d == 0)
            return 1;
        int l = 0;
        while (d != 0) {
            l++;
            d /= 10;
        }
        return l;
    }

    static void debug(Object... args) {
        for (int i = 0; i < args.length; i += 2) {
            print("[" + args[i] + ":" + args[i + 1] + "]" + " ");
        }
        printn("");
    }

    static int MOD = (int) 1e9 + 7;
}

