diff --git a/Day1-DataTypes/cpp/main.cpp b/Day1-DataTypes/cpp/main.cpp
new file mode 100644
index 0000000..6224a8b
--- /dev/null
+++ b/Day1-DataTypes/cpp/main.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+#include <iomanip>
+#include <limits>
+
+using namespace std;
+
+int main() {
+    int i = 4;
+    double d = 4.0;
+    string s = "HackerRank ";
+    int j;
+    double dd;
+    
+    string s1;
+    cin>>j;
+    cin>>dd;
+    cin.ignore(256, '\n');
+    getline(cin, s1);
+    cout<<i+j<<endl;
+    cout <<setprecision(1)<<fixed<< d + dd << endl;
+    cout << s + s1;
+    return 0;
+
+}
\ No newline at end of file
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