import java.io.*;
import java.util.*;


public class Main_yukicoder438 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		long x = sc.nextInt();
		long y = sc.nextInt();
		long z = sc.nextInt();

		long[] ab = new long[2];
		long gcd = extgcd(x, y, ab);
		if (z % gcd != 0) {
			pr.println("mourennaihasimasenn");
			return;
		}

		long mul = z / gcd;
		ab[0] *= mul;
		ab[1] *= mul;

		long mini = -(y * ab[0] - x * ab[1]) / (x * x + y * y);
		long min = Long.MAX_VALUE;
		long minj = 0;
		for (int i = -1; i <= 1; i++) {
			long tmp = Math.abs(y * (mini + i) + ab[0]) + Math.abs(-x * (mini + i) + ab[1]);
			if (tmp < min) {
				min = tmp;
				minj = mini + i;
			}
		}

		ab[0] = y * minj + ab[0];
		ab[1] = -x * minj + ab[1];
		if (Math.abs(ab[0]) > 10000 || Math.abs(ab[1]) > 10000) {
			pr.println("mourennaihasimasenn");
			return;
		}

		StringBuilder ret = new StringBuilder();
		if (ab[0] < 0) {
			if (ab[1] == 0) {
				ret.append("wwW"); // 0
			} else {
				ret.append("w");
				for (int i = 0; i < Math.abs(ab[1]) - 1; i++) {
					ret.append("wC");
				}
			}

			if (ab[0] == 0) {
			} else {
				ret.append("c");
				for (int i = 0; i < Math.abs(ab[0]) - 1; i++) {
					ret.append("cC");
				}
			}

			ret.append("W");
		} else {
			if (ab[0] == 0) {
				ret.append("ccW"); // 0
			} else {
				ret.append("c");
				for (int i = 0; i < Math.abs(ab[0]) - 1; i++) {
					ret.append("cC");
				}
			}

			if (ab[1] == 0) {
			} else if (ab[1] < 0) {
				ret.append("w");
				for (int i = 0; i < Math.abs(ab[1]) - 1; i++) {
					ret.append("wC");
				}
				ret.append("W");
			} else {
				ret.append("w");
				for (int i = 0; i < Math.abs(ab[1]) - 1; i++) {
					ret.append("wC");
				}
				ret.append("C");
			}
		}

		if (ret.length() > 10000) {
			pr.println("mourennaihasimasenn");
		} else {
			pr.println(ret);
		}
	}

	private static long extgcd(long n, long m, long[] xy) {
		if (m == 0) {
			xy[0] = 1;
			xy[1] = 0;

			return n;
		} else {
			long ret = extgcd(m, n % m, xy);

			long tmp = xy[1];
			xy[1] = xy[0] - n / m * tmp;
			xy[0] = tmp;

			return ret;
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		private boolean isPrintable(int ch) {
			return ch >= '!' && ch <= '~';
		}

		private boolean isCRLF(int ch) {
			return ch == '\n' || ch == '\r' || ch == -1;
		}

		private int nextPrintable() {
			try {
				int ch;
				while (!isPrintable(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}

				return ch;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String next() {
			try {
				int ch = nextPrintable();
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (isPrintable(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		int nextInt() {
			try {
				// parseInt from Integer.parseInt()
				boolean negative = false;
				int res = 0;
				int limit = -Integer.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Integer.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				int multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		long nextLong() {
			try {
				// parseLong from Long.parseLong()
				boolean negative = false;
				long res = 0;
				long limit = -Long.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Long.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				long multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		float nextFloat() {
			return Float.parseFloat(next());
		}

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

		String nextLine() {
			try {
				int ch;
				while (isCRLF(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (!isCRLF(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new NoSuchElementException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}