To construct your Huffman tree, you should use the phrase beside your student ID and initials.
100380873(AI): NURTURE_ALL_CREATURES_IN_DEPTHS_AND_ON_SHORES
100438318(DS): NOBODY_BUT_NOBODY_CAN_MAKE_IT_OUT_HERE_ALONE
100447050(PL): LIFE_LIBERTY_AND_THE_PURSUIT_OF_HAPPINESS
100464593(ZB): IT_IS_THE_SIMPLE_THAT_PRODUCES_THE_MARVELOUS
100467130(KA): SCIENCE_IS_A_REFINEMENT_OF_EVERYDAY_THINKING
100468057(EB): WE_HOLD_THESE_TRUTHS_TO_BE_SELF_EVIDENT
100469916(MO): THE_ART_OF_PROGRAMMING_IS_AVOIDING_CHAOS
100474724(AR): OUT_OF_SUCH_CHAOS_OF_SUCH_CONTRADICTION
100475807(MV): YOUR_THEORY_IS_NOT_CRAZY_ENOUGH_TO_BE_TRUE
100480194(AI): WE_PEOPLE_ON_THIS_SMALL_AND_DRIFTING_PLANET
100483197(MR): NOR_THE_GARDENS_OF_BABYLON_ETERNAL_BEAUTY
100488527(BW): IMAGINATION_IS_MORE_IMPORTANT_THAN_KNOWLEDGE
100510868(JZ): THE_WHOLE_OF_LIFE_IS_A_PROCESS_OF_LEARNING
100516169(TA): LIKELY_TO_EFFECT_THEIR_SAFETY_AND_HAPPINESS
100529432(JB): SIMPLICITY_IS_PREREQUISITE_FOR_RELIABILITY
100577155(LS): LONG_FOR_THE_ENDLESS_IMMENSITY_OF_THE_SEA
100577584(JL): MANKIND_ARE_MORE_DISPOSED_TO_SUFFER_WHILE
100580465(JW): LYING_THINKING_LAST_NIGHT_HOW_TO_FIND_MY_SOUL
100585020(YS): THE_HARDER_I_WORK_THE_MORE_LUCK_I_HAVE
100595329(LX): THOSE_SAME_HANDS_CAN_TOUCH_WITH_SUCH_HEALING
100606873(HA): THESE_ARE_NOT_THE_ONLY_WONDERS_OF_THE_WORLD