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

public class Main {

    static BufferedReader in;
    static PrintWriter out;
    static StringTokenizer tok;

    void solve() throws IOException {
        int x = ni();
        int y = ni();
        int z = ni();

        for (int i = 0; i <= 4999; i++) {
            if ((z - x * i) % y == 0) {
                int t = (z - x * i) / y;
                if (t >= -4998 && t <= 4999) {
                    output(i, t);
                    return;
                }
            }
            if ((z - x * (-i)) % y == 0) {
                int t = (z - x * (-i)) / y;
                if (t >= -4998 && t <= 4999) {
                    output(-i, t);
                    return;
                }
            }
        }

        out.println("mourennaihasimasenn");
    }

    void output(int x, int y) {
        String ans = "";
        if (x < 0) {
            for (int i = 0; i < y; i++) {
                if (i == 0) ans += "w";
                else ans += "wC";
            }
            for (int i = 0; i < x; i++) {
                ans += "cW";
            }
        } else if (y < 0) {
            for (int i = 0; i < x; i++) {
                if (i == 0) ans += "c";
                else ans += "cC";
            }
            for (int i = 0; i < x; i++) {
                ans += "wW";
            }
        } else {
            for (int i = 0; i < y; i++) {
                if (i == 0) ans+="c";
                else ans+="cC";
            }
            for (int i = 0; i < x; i++) {
                if ("".equals(ans)) ans += "w";
                ans+="wC";
            }
        }
        out.println(ans);
    }

    int gcd(int a, int b) {
        return a == 0 ? b : gcd(b % a, a);
    }

    int lcm(int a, int b) {
        return a / gcd(a, b) * b;
    }

    int[] extgcd(int a, int b, int[] is) {
        if (a == 0) {
            is[0] = 0;
            is[1] = 1;
            is[2] = b;
        } else {
            extgcd(b % a, a, is);
            int x = is[1] - b / a * is[0];
            is[1] = is[0];
            is[0] = x;
        }
        return is;
    }

    String ns() throws IOException {
        while (!tok.hasMoreTokens()) {
            tok = new StringTokenizer(in.readLine(), " ");
        }
        return tok.nextToken();
    }

    int ni() throws IOException {
        return Integer.parseInt(ns());
    }

    long nl() throws IOException {
        return Long.parseLong(ns());
    }

    double nd() throws IOException {
        return Double.parseDouble(ns());
    }

    String[] nsa(int n) throws IOException {
        String[] res = new String[n];
        for (int i = 0; i < n; i++) {
            res[i] = ns();
        }
        return res;
    }

    int[] nia(int n) throws IOException {
        int[] res = new int[n];
        for (int i = 0; i < n; i++) {
            res[i] = ni();
        }
        return res;
    }

    long[] nla(int n) throws IOException {
        long[] res = new long[n];
        for (int i = 0; i < n; i++) {
            res[i] = nl();
        }
        return res;
    }

    public static void main(String[] args) throws IOException {
        in = new BufferedReader(new InputStreamReader(System.in));
        out = new PrintWriter(System.out);
        tok = new StringTokenizer("");
        Main main = new Main();
        main.solve();
        out.close();
    }
}