extern x=import("c")
enum test:
    a,b,c,x
union union_test1:
    a:int
    b:int
    x:int
union union_test:
    a:int
    b:union_test1
def may():
    c:union_test
    c1:union_test1
    c.b.a=4
    return c.b.a,test.a,c
def june(a:int)->int:
    enum testing:
        a,b,c
    return a
def (h:int)f(n:int):
    return h
def testing(f:def(int)->int):
    return f(4)
def testing1(o:int,h:int):
    return o*h
@testing1(0)
@testing
def testing2(h:int):
    return h*h
def x.external(int)->int
def main():
    m=may
    #l=f #Should be an error
    j=def (x:int):june(x)
    a,b,c=m()
    n=testing2
    y=x.external
    z=x.external(1234)