diff --git a/day02.py b/day02.py
index 62f603c..cbb35e8 100644
--- a/day02.py
+++ b/day02.py
@@ -5,8 +5,11 @@ def __init__(self, game_input_line):
         (game, pulls) = game_input_line.split(':')
         self.game_id = game.split(' ')[1]
         self.hands = pulls.split(';')
+        self.game_color_mins = {'red': 0, 'green': 0, 'blue': 0}
+        self.cube_mins()
 
     def is_game_possible(self):
+        # for part 1
         limits = {'red': 12, 'green': 13, 'blue': 14}
 
         for hand in self.hands:
@@ -18,6 +21,20 @@ def is_game_possible(self):
 
         return True
 
+    def cube_mins(self):
+        for hand in self.hands:
+            cubes = [cubes.strip() for cubes in hand.split(',')]
+            for cube_set in cubes:
+                (cube_count, cube_color) = cube_set.split(" ")
+                if int(cube_count) > self.game_color_mins[cube_color]:
+                    self.game_color_mins[cube_color] = int(cube_count)
+
+    def cube_min_power(self):
+        power = 1
+        for (game_color, color_value) in self.game_color_mins.items():
+            power = power * color_value
+        return power
+
 
 def part01(day_input):
     # working, took about 30 mins to solve
@@ -31,6 +48,10 @@ def part01(day_input):
     print(game_id_total)
 
 
-
 def part02(day_input):
-    pass
+    # working, took about 30-45 mins
+    power_sum = 0
+    for game_line in day_input:
+        this_game = Game(game_line)
+        power_sum += this_game.cube_min_power()
+    print(power_sum)
diff --git a/main.py b/main.py
index 81aa497..908306b 100644
--- a/main.py
+++ b/main.py
@@ -1,10 +1,22 @@
 import day01
+import day02
+
 
 if __name__ == '__main__':
+    today = '02'
+
+    if today == '02':
+        input_file = f'problem_inputs/day{today}_input.txt'
+        with open(input_file) as day_fp:
+            day_input = day_fp.readlines()
+            day_input = [f'{i}'.strip() for i in day_input]
+            day02.part01(day_input)
+            day02.part02(day_input)
 
-    day01_input_file = 'problem_inputs/day01_input.txt'
-    with open(day01_input_file) as day01fp:
-        day01_input = day01fp.readlines()
-        day01_input = [f'{i}'.strip() for i in day01_input]
-        day01.part01(day01_input)
-        day01.part02(day01_input)
+    if today == '01':
+        day01_input_file = 'problem_inputs/day01_input.txt'
+        with open(day01_input_file) as day01fp:
+            day01_input = day01fp.readlines()
+            day01_input = [f'{i}'.strip() for i in day01_input]
+            day01.part01(day01_input)
+            day01.part02(day01_input)