diff --git a/api/s24_coordinates.py b/api/s24_coordinates.py
index 0e201cb..e28b48f 100644
--- a/api/s24_coordinates.py
+++ b/api/s24_coordinates.py
@@ -1,4 +1,4 @@
-from .operation import read
+from .operation import *
 
 
 def _to_client_point(coord: str) -> dict[str, float]:
@@ -9,3 +9,26 @@ def _to_client_point(coord: str) -> dict[str, float]:
 def get_node_coord(name: str, id: str) -> dict[str, float]:
     row = read(name, f"select * from coordinates where node = '{id}'")
     return _to_client_point(row['coord'])
+
+# exception ! need merge to node change set !
+def inp_in_coord(section: list[str]) -> dict[str, dict[str, float]]:
+    coords = {}
+    for s in section:
+        # skip comment
+        if s.startswith(';'):
+            continue
+        tokens = s.split()
+        coords[tokens[0]] = { 'x': tokens[1], 'y': tokens[2] }
+    return coords
+
+
+def inp_out_junction(name: str) -> list[str]:
+    lines = []
+    objs = read_all(name, 'select * from coordinates')
+    for obj in objs:
+        node = obj['node']
+        coord = _to_client_point(obj['coord'])
+        x = coord['x']
+        y = coord['y']
+        lines.append(f'{node} {x} {y}')
+    return lines