diff --git a/kal.py b/kal.py
new file mode 100644
index 0000000..8c40424
--- /dev/null
+++ b/kal.py
@@ -0,0 +1,22 @@
+def summa(datas_nums):
+    a=0
+    for i in datas_nums:
+        a+=int(i)
+    return a
+def multiply(datas_nums):
+    a=1
+    for i in datas_nums:
+        a=a*int(i)
+    return a
+
+datas=str(input("write numbers: "))
+datas_splitted=datas.split()
+
+choice=str(input("+ or x"))
+
+if choice =="+":
+    print(summa(datas_splitted))
+elif choice =="x":
+    print(multiply(datas_splitted))
+else:
+    print("Error try again")
\ No newline at end of file