diff --git a/code_study/Baekjoon/python/20499.py b/code_study/Baekjoon/python/20499.py
new file mode 100644
index 0000000..5c88bea
--- /dev/null
+++ b/code_study/Baekjoon/python/20499.py
@@ -0,0 +1 @@
+print((lambda k, d, a : "hasu" if k+a<d or d==0 else "gosu")(*list(map(int, input().split("/")))))
\ No newline at end of file