diff --git a/Hydro/system_test/6/6.cpp b/Hydro/system_test/6/6.cpp
new file mode 100644
index 00000000..4db511b0
--- /dev/null
+++ b/Hydro/system_test/6/6.cpp
@@ -0,0 +1,12 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    freopen("a+b.in", "r", stdin);
+    freopen("a+b.out", "w", stdout);
+    int a, b;
+    cin >> a >> b;
+    cout << a + b << endl;
+    return 0;
+}