diff --git a/AcWing/723/723.cpp b/AcWing/723/723.cpp
new file mode 100644
index 00000000..a253007c
--- /dev/null
+++ b/AcWing/723/723.cpp
@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, m, c;
+
+int main() {
+    cin >> n >> m;
+    for (int i = 1; i <= n; i++, c++) {
+        for (int j = 1; j < m; j++) {
+            cout << ++c << ' ';
+        }
+        cout << "PUM" << endl;
+    }
+    return 0;
+}