diff --git a/main.py b/main.py
index 6e498fa..2f9fd63 100644
--- a/main.py
+++ b/main.py
@@ -20,7 +20,10 @@ def sum_of_squares_of_even(even_int_list: List[int]) -> int:
 The sum of the squares of all even numbers in the list.
 """
 # TODO: Implement sum_of_squares_of_even
-    pass
+    sum = 0
+    for i in range(len(even_int_list)):
+        sum = sum + even_int_list(i)
+    return sum
 # Main function
 def main():
 # Example list