TOROMAN(INPUT)
 ;Converts INPUT into a Roman numeral. INPUT must be an integer between 1 and 3999
 ;OUTPUT is the string to return
 ;I is a loop variable
 ;CURRVAL is the current value in the loop
 QUIT:($FIND(INPUT,".")>1)!(INPUT<=0)!(INPUT>3999) "Invalid input"
 NEW OUTPUT,I,CURRVAL
 SET OUTPUT="",CURRVAL=INPUT
 SET:$DATA(ROMANNUM)=0 ROMANNUM="I^IV^V^IX^X^XL^L^XC^C^CD^D^CM^M"
 SET:$DATA(ROMANVAL)=0 ROMANVAL="1^4^5^9^10^40^50^90^100^400^500^900^1000"
 FOR I=$LENGTH(ROMANVAL,"^"):-1:1 DO
 .FOR  Q:CURRVAL<$PIECE(ROMANVAL,"^",I)  SET OUTPUT=OUTPUT_$PIECE(ROMANNUM,"^",I),CURRVAL=CURRVAL-$PIECE(ROMANVAL,"^",I)
 KILL I,CURRVAL
 QUIT OUTPUT