package etc;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;
import java.math.RoundingMode;
import java.util.Arrays;
import java.util.InputMismatchException;

public class N3014 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		BigInteger mod = new BigInteger(ns());
		BigInteger mul = new BigInteger(ns());
		BigInteger[] res = hack(mul, mod, 25, 1);
		char[][] ret = restore(res, 'a');
		for(char[] x : ret) {
			out.println(new String(x));
		}
	}
	
		static MathContext mc = new MathContext(30);
//		static final BigInteger big = new BigInteger("999999999999999999999");
//		static final BigInteger big = new BigInteger("999999");
		static final BigInteger big = new BigInteger("9999999999");
		
		/**
		 * ハッシュ値が0となる列から、ハッシュ値が等しくなる2個の文字列を作成する
		 * @param a
		 * @param base 文字の最小値。'a'とか'A'とか。
		 * @return
		 */
		public static char[][] restore(BigInteger[] a, char base)
		{
			int n = a.length;
			char[][] ret = new char[2][n];
			for(int i = 0;i < n;i++) {
				int v = a[i].intValue();
				if(v < 0) {
					ret[1][i] = base;
					ret[0][i] = (char)(base - v);
				}else {
					ret[1][i] = (char)(base + v);
					ret[0][i] = base;
				}
			}
			return ret;
		}
				
		/**
		 * 複数のmuls,modsを1個のmul,modにまとめる
		 * @param muls
		 * @param mods
		 * @return
		 */
		public static BigInteger[] collect(long[] muls, long[] mods)
		{
			BigInteger cr = crtx(mods, muls);
			BigInteger mod = BigInteger.valueOf(1);
			for(long m : mods)mod = mod.multiply(BigInteger.valueOf(m));
			return new BigInteger[] {cr, mod};
		}
		
		public static BigInteger b(long x){ return BigInteger.valueOf(x); }
		
		public static BigInteger[] exGCD(BigInteger a, BigInteger b)
		{
			BigInteger p = BigInteger.ONE, q = BigInteger.ZERO, r = BigInteger.ZERO, s = BigInteger.ONE;
			while(b.signum() > 0){
				BigInteger c = a.divide(b);
				BigInteger d;
				d = a; a = b; b = d.mod(b);
				d = p; p = q; q = d.subtract(c.multiply(q));
				d = r; r = s; s = d.subtract(c.multiply(s));
			}
			return new BigInteger[]{a, p, r};
		}
		
		
		public static BigInteger crtx(long[] divs, long[] mods)
		{
			BigInteger div = b(divs[0]), mod = b(mods[0]);
			for(int i = 1;i < divs.length;i++){
				BigInteger[] apr = exGCD(div, b(divs[i]));
				BigInteger mm = b(mods[i]).subtract(mod);
				if(mm.mod(apr[0]).signum() != 0)return b(-1);
				BigInteger da = div.divide(apr[0]);
				BigInteger ndiv = b(divs[i]).multiply(da);
				BigInteger nmod = apr[1].multiply(mm).multiply(da).add(mod).mod(ndiv);
				if(nmod.signum() < 0)nmod = nmod.add(ndiv);
				div = ndiv;
				mod = nmod;
			}
			return mod;
		}

		
		/**
		 * (mul,mod)の多項式ハッシュに対し値が0となる列を見つける。
		 * @param mul
		 * @param mod
		 * @param w
		 * @param least さがす最低長
		 * @return
		 */
		public static BigInteger[] hack(BigInteger mul, BigInteger mod, int w, int least)
		{
			BigInteger[] ret = null;
			BigInteger W = BigInteger.valueOf(w);
			for(int n = least;ret == null;n++) {
				BigInteger[][] B = new BigInteger[n][n+1];
				BigInteger a = BigInteger.ONE;
				for(int i = n-1;i >= 0;i--) {
					Arrays.fill(B[i], BigInteger.ZERO);
					B[i][i] = BigInteger.ONE;
					B[i][n] = a.multiply(big);
					a = a.multiply(mul).mod(mod);
				}
//				for(int i = 0;i < n;i++) {
//					Arrays.fill(B[i], BigInteger.ZERO);
//					B[i][i] = BigInteger.ONE;
//					B[i][n] = a.multiply(big);
//					a = a.multiply(mul).mod(mod);
//				}
				BigInteger[][] res = reduce(B);
				
				inner:
				for(int i = 0;i < n;i++) {
					if(res[i][n].signum() == 0) {
						for(int j = 0;j < n;j++) {
							if(res[i][j].abs().compareTo(W) > 0)continue inner;
						}
						ret = Arrays.copyOf(res[i], n);
						break;
					}
				}
			}
			check(ret, mul, mod);
			return ret;
		}
		
		static void check(BigInteger[] v, BigInteger mul, BigInteger mod)
		{
			BigInteger h = BigInteger.ZERO;
			int n = v.length;
			for(int i = 0;i < n;i++) {
				h = h.multiply(mul).add(v[i]).mod(mod);
			}
//			for(int i = n-1;i >= 0;i--) {
//				h = h.multiply(mul).add(v[i]).mod(mod);
//			}
			assert h.signum() == 0;
		}
		
		/**
		 * LLL
		 * @param BO
		 * @return
		 */
		public static BigInteger[][] reduce(BigInteger[][] BO)
		{
			int n = BO.length;
			int d = BO[0].length;
			
			// deepcopy
			BigInteger[][] B = new BigInteger[n][];
			for(int i = 0;i < n;i++) {
				B[i] = Arrays.copyOf(BO[i], d);
			}
			
			BigDecimal[][] BA = new BigDecimal[n][];
			
			BigDecimal delta = new BigDecimal("0.75"); // 0.25 < delta <= 1
			recalculateOrthoginalization(0, BA, B);
			for(int k = 1;k < n;) {
				for(int j = k-1;j >= 0;j--) {
					BigDecimal mukj = mu(B[k], BA[j]);
					if(Math.abs(mukj.doubleValue()) > 0.5) {
						BigInteger rmu = mukj.setScale(0, RoundingMode.HALF_EVEN).toBigInteger();
						for(int l = 0;l < d;l++) {
							B[k][l] = B[k][l].subtract(rmu.multiply(B[j][l]));
						}
					}
				}
				recalculateOrthoginalization(k, BA, B);
				BigDecimal mu = mu(B[k], BA[k-1]);
				// Lovasz condition
				if(norm(BA[k]).compareTo(delta.subtract(mu.multiply(mu, mc)).multiply(norm(BA[k-1]))) >= 0) {
					k++;
				}else {
					// swap
					BigInteger[] dum = B[k]; B[k] = B[k-1]; B[k-1] = dum;
					recalculateOrthoginalization(k-1, BA, B);
					k = Math.max(k-1, 1);
				}
			}
			return B;
		}
		
		/**
		 * Gram-Schmidtの直交化のインデックスごと
		 * @param ind
		 * @param ovs
		 * @param vs
		 */
		private static void recalculateOrthoginalization(int ind, BigDecimal[][] ovs, BigInteger[][] vs)
		{
			int D = vs[0].length;
			BigDecimal[] h = new BigDecimal[D];
			for(int l = 0;l < D;l++)h[l] = new BigDecimal(vs[ind][l]);
			for(int l = 0;l < ind;l++){
				BigDecimal dot = BigDecimal.ZERO;
				BigDecimal norm = BigDecimal.ZERO;
				for(int k = 0;k < D;k++){
					dot = dot.add(ovs[l][k].multiply(new BigDecimal(vs[ind][k]), mc));
					norm = norm.add(ovs[l][k].multiply(ovs[l][k], mc));
				}
				if(norm.signum() == 0)continue;
				BigDecimal t = dot.divide(norm, mc);
				for(int k = 0;k < D;k++){
					h[k] = h[k].subtract(ovs[l][k].multiply(t, mc));
				}
			}
			ovs[ind] = h;
		}
		
		static BigDecimal mu(BigInteger[] b, BigDecimal[] ba)
		{
			return dot(b, ba).divide(norm(ba), mc);
		}
		
		public static BigDecimal norm(BigDecimal[] v)
		{
			BigDecimal n = BigDecimal.ZERO;
			for(BigDecimal w : v)n = n.add(w.multiply(w, mc));
			return n;
		}
		
		public static BigDecimal dot(BigDecimal[] a, BigDecimal[] b)
		{
			BigDecimal ret = BigDecimal.ZERO;
			for(int i = 0;i < a.length;i++){
				ret = ret.add(a[i].multiply(b[i], mc));
			}
			return ret;
		}
		
		public static BigDecimal dot(BigInteger[] a, BigDecimal[] b)
		{
			BigDecimal ret = BigDecimal.ZERO;
			for(int i = 0;i < a.length;i++){
				ret = ret.add(new BigDecimal(a[i]).multiply(b[i], mc));
			}
			return ret;
		}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new N3014().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}