How can I remove 0 from first line and empty space from the start of the following line and join them

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

I've been trying to remove zero from the first line and empty space from the start of the following line and join them together and print them to a new file.

0        54000  4.52402E+00   5.37331E+00  -5.37331E+00
                      -6.52528E-04   2.04301E-01  -1.07277E-03
0        54001  7.12575E+01   4.88288E+01  -4.88288E+01
                      -2.20964E-03   9.34513E-01  -1.76121E-03   
0        54002  3.55673E+00   9.22908E+00  -9.22908E+00
                       1.05358E-04   1.78918E-01   1.74279E-04   
0        54003  2.71198E+00   5.04349E+00  -5.04349E+00
                       0   1.73257E+00   4.45074E+00
0        54004  2.23790E+00   3.46888E+00  -3.46888E+00
                      -1.95970E-05   5.09952E-02  -1.95518E-05
0        54005  4.14851E+00   1.99183E+01  -1.99183E+01
                      -7.59083E-05   2.54499E-01  -1.53444E-04
[download]

Desired result:

 54000  4.52402E+00   5.37331E+00  -5.37331E+00 -6.52528E-04   2.04301
+E-01  -1.07277E-03
 54001  7.12575E+01   4.88288E+01  -4.88288E+01 -2.20964E-03   9.34513
+E-01  -1.76121E-03   
 54002  3.55673E+00   9.22908E+00  -9.22908E+00 1.05358E-04   1.78918E
+-01   1.74279E-04   
 54003  2.71198E+00   5.04349E+00  -5.04349E+00 0   1.73257E+00   4.45
+074E+00
 54004  2.23790E+00   3.46888E+00  -3.46888E+00 -1.95970E-05   5.09952
+E-02  -1.95518E-05
 54005  4.14851E+00   1.99183E+01  -1.99183E+01 -7.59083E-05   2.54499
+E-01  -1.53444E-04
[download]

Can you help me?

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