diff --git a/HSKIM/31to40/33.py b/HSKIM/31to40/33.py
new file mode 100644
index 0000000..b26a7c5
--- /dev/null
+++ b/HSKIM/31to40/33.py
@@ -0,0 +1,25 @@
+def find(parents, x):
+    if parents[x] == x:
+        return x
+    parents[x] = find(parents, parents[x])
+    return parents[x]
+
+def union(parents, x, y):
+    root1 = find(parents, x)
+    root2 = find(parents, y)
+
+    parents[root2] = root1
+
+def solution(k, operation):
+    parents = list(range(k))
+    n = k
+
+    for op in operation:
+        if op[0] == "u":
+            union(parents, op[1], op[2])
+        elif op[0] == "f":
+            find(parents, op[1])
+    
+    n = len(set(find(parents, i) for i in range(k)))
+
+    return n
\ No newline at end of file