import std.conv, std.functional, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }


class XRand {
  uint x = 314159265, y = 358979323, z = 846264338, w = 327950288;
  void setSeed(uint seed) { w ^= seed * 65535; }
  uint next() { uint t = x ^ x << 11; x = y; y = z; z = w; return w = w ^ w >> 19 ^ t ^ t >> 8; }
  uint nextInt(uint m) { return next() % m; }
  int nextInt(int a, int b) { return a + nextInt(b - a + 1); }
  ulong nextLong(ulong m) { return (next() | cast(ulong)(next()) << 32) % m; }
  long nextLong(long a, long b) { return a + nextLong(b - a + 1); }
  real nextReal() { return next() / 4294967296.0; }
}

enum L = 10^^2;

long A, B;

void main() {
  auto rng = new XRand();
  
  try {
    for (; ; ) {
      A = readLong();
      B = readLong();
      
      auto ss = new string[cast(size_t)(B)];
      for (; ; ) {
        string s;
        long h;
        foreach (i; 0 .. L) {
          const x = rng.nextInt('a', 'z');
          s ~= cast(char)(x);
          h = (h * A + x) % B;
        }
        if (ss[cast(size_t)(h)].empty) {
          ss[cast(size_t)(h)] = s;
        } else {
          writeln(ss[cast(size_t)(h)]);
          writeln(s);
          break;
        }
      }
      
    }
  } catch (EOFException e) {
  }
}