/* Tue Mar 16 15:53:17 JST 2004 */
#include <stdio.h>
#include <math.h>

int gcd(int x, int y)
{
  if (y != 0) { return gcd(y, x%y); }
  return x;
}

int main()
{
  int p, n;
  int under, over;
  int u, v, x, y;
  double p2;

  while (1) {
    scanf("%d%d", &p, &n); if (p == 0 && n == 0) { break; }
    p2 = sqrt(p);
    x = 10001; y = 1;
    u = 0; v = 10001;
    for (under = 1; under <= n; under++) {
      over = (int)floor(p2 * under); if (over > n) { continue; }
      if ((double)u / (double)v < (double)over / (double)under &&
          gcd(over, under) == 1) {
        u = over; v = under;
      }
      if ((double)x / (double)y > (double)(over + 1) / (double)under &&
          over + 1 <= n && gcd(over+1, under) == 1) {
        x = over + 1; y = under;
      }
    }
    printf("%d/%d %d/%d\n", x, y, u, v);
  }
  return 0;
}
/* Tue Mar 16 16:22:08 JST 2004 */