diff --git a/5/5.12/5.12.1/main.py b/5/5.12/5.12.1/main.py
new file mode 100644
index 0000000..f55733f
--- /dev/null
+++ b/5/5.12/5.12.1/main.py
@@ -0,0 +1,9 @@
+
+def swap(list):
+    m_list = list[0], list[-1] = list[-1], list[0]
+    return m_list
+
+values_list = input().split(',')  # Program receives comma-separated values like 5,4,12,19
+swap(values_list)
+
+print(values_list)