PUT {1..100} IN non.nuggets

PUT 0 IN a
WHILE a <= 100:
    PUT a IN b
    WHILE b <= 100:
        PUT b IN c
        WHILE c <= 100:
            IF c in non.nuggets:
                REMOVE c FROM non.nuggets
            PUT c+20 IN c
        PUT b+9 IN b
    PUT a+6 IN a

WRITE "Maximum non-McNuggets number:", max non.nuggets/