diff --git "a/heeheej/week26/PRG_42842_\354\271\264\355\216\253.py" "b/heeheej/week26/PRG_42842_\354\271\264\355\216\253.py"
new file mode 100644
index 0000000..8230a77
--- /dev/null
+++ "b/heeheej/week26/PRG_42842_\354\271\264\355\216\253.py"
@@ -0,0 +1,13 @@
+# 카펫
+'''
+yellow를 소인수분해해서, i와 yellow//i로 나타낼 수 있다.
+brown == 2*(i+2) + 2*(yellow//i+2) - 4(겹치는부분) 이라는 식이 나오는데,
+간소화하면 2*(i + yellow//i)+4 == brown이라 할 수 있다.
+'''
+def solution(brown, yellow):
+    answer = []
+    N = int(yellow**(1/2))+1
+    for i in range(1, N):
+        if yellow % i == 0 and 2*(i + yellow//i) + 4 == brown:
+            answer = [yellow//i+2, i+2]
+    return answer
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