diff --git a/calculator.cpp b/calculator.cpp
new file mode 100644
index 0000000..9b1b8e9
--- /dev/null
+++ b/calculator.cpp
@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+	cout<<"Enter two num"<<endl;
+	int a,b;
+	cin>>a;
+	cin>>b;
+	cout<<"Choose between 1, 2 or 3"<<endl;
+	int n;
+	cin>>n;
+	if(n==1)
+	cout<<a+b;
+	if(n==2)
+	cout<<a-b;
+	else
+	cout<<a*b;
+}