This is an output of my Fortran code
     1    atoms
     1    atom types
 
    0.0000       20.00000     xlo xhi
    0.0000       20.00000     ylo yhi
    0.0000       60.00000     zlo zhi
 
Masses
 
     1   16.0000
 
Atoms

1     1   1.77973938    10.000  10.0000