#include<stdio.h>
int n,i,exit,leftob=-1005,rightob=1005,temp;
main()
{
      scanf("%d %d",&n,&exit);

      for (i=0;i<n;i++)
      {
          scanf("%d",&temp);
          if (temp<rightob && temp>exit)
             rightob=temp;
          if (temp>leftob && temp<exit)
             leftob=temp;
      }

      if (leftob==-1005)
         leftob=exit;
      if (rightob==1005)
         rightob=exit;

      if (exit>0)
      {
         if (leftob>0)
            printf("Impossible\n");
         else
             printf("%d %d\n",exit,-2*leftob+exit);
      }
      else
      {
          if (rightob<0)
             printf("Impossible\n");
          else
              printf("%d %d\n",2*rightob-exit,-exit);
      }
      scanf(" ");
}

delete this

int main()