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

int main(void)
{
  int pocet, c_ulohy;
  scanf("%d\n", &pocet);
  for (c_ulohy =0; c_ulohy < pocet; c_ulohy++) {
    int k, N,M,f;
    int u, v;
    scanf("%d %d",&N, &M);
    u = (N/M)*M;
    v = u-M;
    if ((u<=0) || (v<=0))
      printf("Reseni neexistuje.\n");
    else
      printf("%d %d\n", u, v );
  }
  return 0;
}