Task: Program Execution
Input (English): 3, 15, ['3939', 'B', '9735', '7127', 'C', 'Y', '4047', 'Y', '7611', '9333', 'M', '1417', '4333', 'W', '4131', '3039', '8839', '5735', '4447', 'r', '5829', 'd']
Output (English): 97357127CY4047Y76119333M14174333W4131