#include <cstdio>
#include <cstdlib>

#define forn(i, n) for (int i = 0; i < (int)(n); i++)

long long rdtsc()
{
  asm("rdtsc");
}

int main( int argc, char *argv[] )
{
  if (argc < 3)
  {
    puts("Usage: <n1> <n2>");
    return 0;
  }

  srand(rdtsc());

  int n[2];
  n[0] = atoi(argv[1]);
  n[1] = atoi(argv[2]);
  forn(t, 2)
  {
    forn(i, n[t])
      putc('0' + !i + rand() % (10 - !i), stdout);
    puts("");
  }
  return 0;
}