#include <stdio.h>
int main() {
  int zadani;
  int i,j;
  scanf("%d",&zadani);
  while (zadani--) {
    scanf("%d %d\n",&i,&j);
    if (i<=2*j)
      printf("Reseni neexistuje.\n");
    else
      printf("%d %d\n",((i-1)/j)*j,((i-1)/j)*j-j);
    }
  return 0;
  }