add kotlin name into README.md & 잡 하나

README.md

@@ -15,6 +15,7 @@ yenru0 code storage
  C | C | .c
  C++ | cpp | .cpp
  Python | python | .py
+ Kotlin | kotlin | .kt
  
 ## stdin.txt
 코딩의 편리함을 위한 `stdin.txt`! 이것은 매우 중요 especially 쓰다 C로 because 나 not 편함

zeta_python/completed/1251.py

@@ -0,0 +1,8 @@
+S = input()
+MAX = '~'*len(S)
+for i in range(1,len(S)-1):
+    for j in range(i+1, len(S)):
+        first, second, last = S[:i][::-1], S[i:j][::-1], S[j:][::-1]
+        if first + second + last < MAX:
+            MAX = first + second + last
+print(MAX)