Task: Program Execution
Input (English): 4, 10, ['5545', 'Z', 'R', 'u', 'N', 'R', 'J', '5179', '6375', '4637', '6867', 'm', '1829', '6735', 't', 'V', '9147', 'm']
Output (English): u, N, R, J, 5179, 6375, 4637