pro tt

print, 'hello: tt'

s1 = sub1 (1)

s2 = sub2 (2)

print, 's1: ', s1, ' s2: ', s2
END



FUNCTION sub1, param1

print, 'sub1'

return, param1 

END



FUNCTION sub2, param2

print, 'sub2'

return, param2 

END