Task: Program Execution
Input (English): 1, 15, ['7633', 'H', '4621', '5863', 'U', 'M', '5025', 'D', '4527', '4879', '4779', 'M', 'r', '1679', '6575', 'C', 'e', 'Q', 'P']
Output (English): 57569761rM977497847254D5205MU36851264H3367