diff --git a/homework/nwd-nnw/nwdNww.hpp b/homework/nwd-nnw/nwdNww.hpp
index 0491a2c9..17185a24 100644
--- a/homework/nwd-nnw/nwdNww.hpp
+++ b/homework/nwd-nnw/nwdNww.hpp
@@ -1,11 +1,25 @@
 #pragma once
+#include <cstdlib>
 
 int NWD(int lhs, int rhs) {
-    // TODO: Implement me :)
-    return -1;
+    lhs = std::abs(lhs);
+    rhs = std::abs(rhs);
+    if (lhs == 0 && rhs != 0)
+        return rhs;
+    else if (lhs != 0 && rhs == 0)
+        return lhs;
+    while (lhs != rhs) {
+        if (lhs > rhs)
+            lhs -= rhs;
+        else
+            rhs -= lhs;
+    }
+    return lhs;
 }
 
 int NWW(int lhs, int rhs) {
-    // TODO: Implement me :)
-    return -1;
+    int nwd = NWD(lhs, rhs);
+    if (nwd == 0)
+        return 0;
+    return std::abs((lhs * rhs) / nwd);
 }