diff --git a/Day0-HelloWorld/C++/main_kunal.cpp b/Day0-HelloWorld/C++/main_kunal.cpp
new file mode 100644
index 0000000..d9a828f
--- /dev/null
+++ b/Day0-HelloWorld/C++/main_kunal.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+
+using namespace std;
+
+int main() {
+   string input_string; 
+   getline(cin, input_string); 
+   cout << "Hello, World." << endl;
+   cout << input_string;
+   return 0;
+}
diff --git a/Day4-ClassVsInheritance/Cpp/main.cpp b/Day4-ClassVsInheritance/Cpp/main.cpp
new file mode 100644
index 0000000..a5dd115
--- /dev/null
+++ b/Day4-ClassVsInheritance/Cpp/main.cpp
@@ -0,0 +1,50 @@
+using namespace std;
+#include <iostream>
+
+class Person{
+    public:
+        int age;
+        Person(int initialAge);
+        void amIOld();
+        void yearPasses();
+    };
+
+    Person::Person(int initialAge){
+        this->age = initialAge;
+        if(initialAge<0)
+          cout << "Age is not valid, setting age to 0."<<endl;
+    }
+
+    void Person::amIOld(){
+        if(age<13)
+          cout << "You are young."<<endl;
+          else if(age>=13 && age <18)
+            cout << "You are a teenager."<<endl;
+            else
+            cout<<"You are old."<<endl;
+    }
+
+    void Person::yearPasses(){
+        
+        age=age+1;
+
+    }
+
+int main(){
+    int t;
+	int age;
+    cin >> t;
+    for(int i=0; i < t; i++) {
+    	cin >> age;
+        Person p(age);
+        p.amIOld();
+        for(int j=0; j < 3; j++) {
+        	p.yearPasses(); 
+        }
+        p.amIOld();
+      
+		cout << '\n';
+    }
+
+    return 0;
+}
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diff --git a/_config.yml b/_config.yml
new file mode 100644
index 0000000..1885487
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1 @@
+theme: jekyll-theme-midnight
\ No newline at end of file