diff --git a/add.py b/add.py
new file mode 100644
index 0000000..561bb6f
--- /dev/null
+++ b/add.py
@@ -0,0 +1,4 @@
+a = int(input('enter first number')
+b = int(input('enter second number')
+c = a + b
+print(c)
diff --git a/divide.py b/divide.py
new file mode 100644
index 0000000..62ab60f
--- /dev/null
+++ b/divide.py
@@ -0,0 +1,4 @@
+a = int(input('enter first number')
+b = int(input('enter second number')
+c = a / b
+print(c)
diff --git a/greeting.py b/greeting.py
new file mode 100644
index 0000000..15a1136
--- /dev/null
+++ b/greeting.py
@@ -0,0 +1,2 @@
+n = input('enter your name')
+print('hello' n)
diff --git a/mul.py b/mul.py
new file mode 100644
index 0000000..53e11c8
--- /dev/null
+++ b/mul.py
@@ -0,0 +1,4 @@
+a = int(input('enter first number')
+b = int(input('enter second number')
+c = a * b
+print(c)
diff --git a/sub.py b/sub.py
new file mode 100644
index 0000000..f6a42c8
--- /dev/null
+++ b/sub.py
@@ -0,0 +1,4 @@
+a = int(input('enter first number')
+b = int(input('enter second number')
+c = a - b
+print(c)