Detect High-Value Transactions

📝 Description

Flag transactions above a threshold as suspicious.

Input Format

[100, 5000, 200, 10000], threshold=5000

Output Format

[5000, 10000]

Constraints

Number of transactions ≤ 10^5

🔍 Sample Input

[100, 5000, 200, 10000], 5000
            

✅ Sample Output

[5000, 10000]