#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

int main(void)
{
  uintmax_t n, m;
  if (scanf("%ju", &n) != 1 || scanf("%ju", &m) != 1)
    exit(EXIT_FAILURE);

  for (uintmax_t product = n*m; product; --product)
    for (uintmax_t i = n; i; --i)
      if (product % i == 0 && product / i <= m)
          printf("%ju %ju\n", i, product / i);
}