diff --git a/weird.cpp b/weird.cpp
new file mode 100644
index 0000000..6f5f620
--- /dev/null
+++ b/weird.cpp
@@ -0,0 +1,29 @@
+#include <iostream>
+
+using namespace std;
+
+int main(void)
+{   
+    int n;
+
+    cout<<"Enter the Number : ";
+    cin>>n;
+    cout<<n<<" ";
+    while(n!=1)
+    {
+        if ( n % 2 == 0)
+        {
+            n /= 2;
+            cout<<n<<" ";
+        }
+        else
+        {
+            n *= 3 + 1;
+            cout<<n<<" ";
+        }
+        
+    }
+
+return 0;
+    
+}