diff --git a/AcWing/3/3.cpp b/AcWing/3/3.cpp
new file mode 100644
index 00000000..1a726f58
--- /dev/null
+++ b/AcWing/3/3.cpp
@@ -0,0 +1,19 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, m, v[1005], w[1005], f[1005][1005];
+
+int main() {
+    cin >> n >> m;
+    for (int i = 1; i <= n; i++) {
+        cin >> v[i] >> w[i];
+    }
+    for (int i = 1; i <= n; i++) {
+        for (int j = 0; j <= m; j++) {
+            f[i][j] = max(f[i - 1][j], j >= v[i] ? f[i][j - v[i]] + w[i] : f[i - 1][j]);
+        }
+    }
+    cout << f[n][m] << endl;
+    return 0;
+}