first commit

from old repository to a new repository

boj/1764.py

@@ -0,0 +1,20 @@
+from sys import stdin
+n,m=map(int,stdin.readline().rstrip().split())
+
+noarr=set()
+for _ in range(n):
+    s=stdin.readline().rstrip()
+    noarr.add(s)
+
+carr=[]
+for _ in range(m):
+    s=stdin.readline().rstrip()
+
+    if s in noarr:
+        carr.append(s)
+
+carr.sort()
+
+print(len(carr))
+for i in carr:
+    print(i)