org.eclipse.photran.core.vpg.tests/parser-test-code/refactoring_test_files/introduceimplicitnone/MainProgramRefactoringBefore.f90

program Hello

  i = 3
  call Sub(i + 1)

  print *, "The integer is ", i
  
contains

subroutine Sub(i)
  integer :: x

  x = i
  print *, x
  
end subroutine Sub


subroutine SomeSub(y,z)
  real :: y
  real :: z

  x = y + z
  y = 22
  z = y + z
  print *, x
  
end subroutine SomeSub

end program