Long year: Difference between revisions

<lang forth>: dec31wd dup dup 4 / swap dup 100 / swap 400 / swap - + + 7 mod ;

: long dup dec31wd 4 = if drop 1 else 1 - dec31wd 3 = if 1 else 0 then then ;

 

{{Out}}

 

=={{header|Fortran}}==