diff --git a/electronics_shop.cpp b/electronics_shop.cpp
new file mode 100644
index 0000000..0e52c50
--- /dev/null
+++ b/electronics_shop.cpp
@@ -0,0 +1,18 @@
+#include<bits/stdc++.h>
+using namespace std;
+int main(){
+
+    int s,n,m,a,res = -1,keyboard[1001],usb[1001];
+
+    cin >> s >> n >> m;
+    for(int i = 0; i < n; i++)cin >> keyboard[i];
+    for(int i = 0; i < m; i++)cin >> usb[i];
+
+    for(int i = 0; i < n; i++){
+        for(int j = 0; j < m; j++){
+            if(keyboard[i]+usb[j] <= s)res = max(res,keyboard[i]+usb[j]);
+        }
+    }
+    cout << res << endl;
+    return 0;
+}