diff --git a/day1/str.py b/day1/str.py
index 2277451..c21e173 100644
--- a/day1/str.py
+++ b/day1/str.py
@@ -1,2 +1,2 @@
 a = 'sb114514'
-print(a)
\ No newline at end of file
+print(a[:2].isalpha())
\ No newline at end of file