13:25 >perl 1575_SoPW.pl
0            0  false
0            0  false
0E0          0  true
0            0  false
0.0          0  true
0            0  false
0.00         0  true
0            0  false
00           0  true
0            0  false
0 but true   0  true
Argument "0 BUT TRUE" isn't numeric in addition (+) at 1575_SoPW.pl line 34.
0 BUT TRUE   0  true
Argument "0 but true " isn't numeric in addition (+) at 1575_SoPW.pl line 34.
0 but true   0  true
Argument "1 and true" isn't numeric in addition (+) at 1575_SoPW.pl line 34.
1 and true   1  true

13:25 >