diff --git a/homework/nwd-nnw/nwdNww.hpp b/homework/nwd-nnw/nwdNww.hpp
index 0491a2c9..54672280 100644
--- a/homework/nwd-nnw/nwdNww.hpp
+++ b/homework/nwd-nnw/nwdNww.hpp
@@ -1,11 +1,31 @@
 #pragma once
 
 int NWD(int lhs, int rhs) {
-    // TODO: Implement me :)
-    return -1;
+    if (lhs == 0)
+        return rhs;
+    if (rhs == 0)
+        return lhs;
+    int a{lhs}, b{rhs}, quotient{}, reminder{};
+
+    do {
+        quotient = a / b;
+        reminder = a % b;
+        if (reminder == 0) {
+            break;
+        }
+        a = b;
+        b = reminder;
+    } while (reminder != 0);
+
+    return std::abs(b);
+    // or just return std::gcd(lhs, rhs); :)
 }
 
 int NWW(int lhs, int rhs) {
-    // TODO: Implement me :)
-    return -1;
+    if (lhs == 0 or rhs == 0) {
+        return 0;
+    }
+    int res = abs((lhs * rhs) / NWD(lhs, rhs));
+    return res;
+    // or just return std::lcm(lhs, rhs); :)
 }