restructure zeta/** to storage/zeta/**

storage/zeta/py/completed/14888.py

@@ -0,0 +1,44 @@
+N = int(input())
+ns = list(map(int, input().split()))
+ops = list(map(int, input().split()))
+
+stack = []
+
+traces = []
+
+def calc(ind, a, b):
+    if ind == 0:
+        return a+b
+    elif ind == 1:
+        return a-b
+    elif ind == 2:
+        return a*b
+    elif ind == 3:
+        return int(a/b)
+    
+
+_ops = ops[:]
+for i, v in enumerate(ops):
+    if v == 0:
+        pass
+    else:
+        _ops[i] = _ops[i] - 1
+        stack.append((1, _ops, calc(i, ns[0], ns[1])))
+        _ops = ops[:]
+
+while stack:
+    d, o, n = stack.pop()
+    if not any(o):
+        traces.append(n)
+    else:
+        _ops = o[:]
+        for i, v in enumerate(o):
+            if v == 0:
+                pass
+            else:
+                _ops[i] = _ops[i] - 1
+                stack.append((d+1, _ops, calc(i, n, ns[d+1])))
+                _ops = o[:]
+
+print(max(traces))
+print(min(traces))