Task: Program Execution
Input (English): 5, 21, ['7145', 'N', '6365', 'T', '8439', '9959', 'p', '3259', 'J', 'L', 'X', '4133', '3881', 'W', '1107', 'g', '5851', '2839', '8205', 'u', '749', 'Y', '3247', 'd']
Output (English): 84399959p3259JLX41333881W1107g585128398205u749