PROC P (CHAN OF BYTE in, out, err)
  BYTE c:
  INT i:
  INT64 ll:
  SEQ
    c, i, ll := 25, 2500, 25000000000
    c := BYTE c
    c := BYTE i
    c := BYTE ll
    i := INT c
    i := INT i
    i := INT ll
    ll := INT64 c
    ll := INT64 i
    ll := INT64 ll
: