diff --git a/homework/nwd-nnw/nwdNww.hpp b/homework/nwd-nnw/nwdNww.hpp
index 0491a2c9..3c8df69a 100644
--- a/homework/nwd-nnw/nwdNww.hpp
+++ b/homework/nwd-nnw/nwdNww.hpp
@@ -1,11 +1,21 @@
 #pragma once
 
 int NWD(int lhs, int rhs) {
-    // TODO: Implement me :)
-    return -1;
+    auto a = abs(lhs);
+    auto b = abs(rhs);
+    while (b != 0) {
+        auto c{a % b};
+        a = b;
+        b = c;
+    }
+
+    return a;
 }
 
 int NWW(int lhs, int rhs) {
-    // TODO: Implement me :)
-    return -1;
+    if (lhs == 0 || rhs == 0) {
+        return 0;
+    }
+
+    return abs(lhs) * abs(rhs) / NWD(lhs, rhs);
 }