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

int main()
{
  int *bounds( int *, int );

  for ( ; ; )
  {
    int n, i, *t, *p;

    scanf( "%d", &n );
    if ( n == 0 )
      break;

    t = ( int * )malloc( n * sizeof( int ) );

    for ( i = 0; i < n; ++i )
      scanf( "%d", &t[ i ] );

    p = bounds( t, n );

    printf( "%d %d\n", p[ 0 ], p[ 1 ] );

    free( p );
    free( t );
  }
  return EXIT_SUCCESS;
}