12,{)n'On the '@.' first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth'n/=\' day of Christmas, my true love sent to me '\.1={;'A'' partridge in a pear tree. ':P+}{,-1%{'And a'P+'Two turtle doves, Three French hens, Four calling birds, Five golden rings, Six geese a-laying, Seven swans a-swimming, Eight maids a-milking, Nine ladies dancing, Ten lords a-leaping, Eleven pipers piping, Twelve drummers drumming,'+n/=n}/}if}/;);'!']2>