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

int
f(int u, int v)
{
  int k,t;
  for (k=0; (!(u%2))&&(!(v%2)); k++)
    { u/=2; v/=2; }
  if (u%2) t=-v;
  else t=u/2;
  while(t) {
    while (!(t%2)) t/=2;
    if (t>0) u=t; else v=-t;
    t=u-v;
  }
  while(k-->0) u*=2;
  return u;
}

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);
    if (N%M)
      u = (N/M)*M;
    else
      u = ((N/M)-1)*M;
    v = u-M;
    if ((u<=0) || (v<=0))
      printf("Reseni neexistuje.\n");
    else
      printf("%d %d\n", u, v );
  }
  return 0;
}