diff --git a/30 Days of Code/Day 00/HelloWorld.cpp b/30 Days of Code/Day 00/HelloWorld.cpp
new file mode 100644
index 0000000..60d076d
--- /dev/null
+++ b/30 Days of Code/Day 00/HelloWorld.cpp	
@@ -0,0 +1,15 @@
+int main() {
+    // Declare a variable named 'input_string' to hold our input.
+    string input_string; 
+    
+    // Read a full line of input from stdin (cin) and save it to our variable, input_string.
+    getline(cin, input_string); 
+    
+    // Print a string literal saying "Hello, World." to stdout using cout.
+    cout << "Hello, World." << endl;
+  
+    // this line print the input string.
+    cout<<input_string<<endl;
+
+    return 0;
+}