first commit

from old repository to a new repository

boj/4949.py

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+from sys import stdin
+
+while True:
+    s=stdin.readline().rstrip()
+    st=[]
+
+    if s=='.':
+        break
+    
+    suc=True
+    for i in range(len(s)):
+        c=s[i]
+
+        if c=='(' or c=='{' or c=='[':
+            st.append(c)
+        elif c==')' or c=='}' or c==']':
+            if len(st)==0:
+                suc=False
+                break
+            
+            p=st.pop()
+            if c==')' and not p=='(':
+                suc=False
+                break
+            elif c=='}' and not p=='{':
+                suc=False
+                break
+            elif c==']' and not p=='[':
+                suc=False
+                break
+    if len(st)>0:
+        suc=False
+
+    if suc:
+        print("yes")
+    else:
+        print("no")