REM >munchausen
FOR i% = 0 TO 5
  FOR j% = 0 TO 5
    FOR k% = 0 TO 5
      FOR l% = 0 TO 5
        m% = FNexp(i%) + FNexp(j%) + FNexp(k%) + FNexp(l%)
        n% = 1000 * i% + 100 * j% + 10 * k% + l%
        IF m% = n% AND m% > 0 THEN PRINT m%
      NEXT
    NEXT
  NEXT
NEXT
END
:
DEF FNexp(x%)
IF x% = 0 THEN
  = 0
ELSE
  = x% ^ x%