From 197b6fecd3ae633cbc8fe90fa733f2249d44afc3 Mon Sep 17 00:00:00 2001
From: Eryk Miszczuk <erymis@st.amu.edu.pl>
Date: Tue, 5 Nov 2019 11:15:24 +0100
Subject: [PATCH] Task A29

---
 TaskA07/run    |  2 +-
 TaskA29/run    |  2 ++
 TaskA29/run.py | 10 ++++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 TaskA29/run
 create mode 100644 TaskA29/run.py

diff --git a/TaskA07/run b/TaskA07/run
index 07a6311..c84edd2 100644
--- a/TaskA07/run
+++ b/TaskA07/run
@@ -1,2 +1,2 @@
 #!/bin/bash
-python run.py "$@"
+python TaskA07/run.py "$@"
diff --git a/TaskA29/run b/TaskA29/run
new file mode 100644
index 0000000..afa66c0
--- /dev/null
+++ b/TaskA29/run
@@ -0,0 +1,2 @@
+#!/bin/bash
+python TaskA29/run.py "$@"
diff --git a/TaskA29/run.py b/TaskA29/run.py
new file mode 100644
index 0000000..50ac866
--- /dev/null
+++ b/TaskA29/run.py
@@ -0,0 +1,10 @@
+import sys
+import re
+
+regex = re.compile('^[A-Za-z_][A-Za-z0-9_]*$')
+
+for line in sys.stdin:
+    if regex.match(line.replace('\n', '')):
+        print('yes')
+    else:
+        print('no')