Task: Program Execution
Input (English): 4, 20, ['4293', '8629', '8545', '523', '3357', '4331', '5955', '285', 'B', '8621', 'H', '7031', '2757', '1403', '1077', '3771', '2263', '3171', 'S', 'c', 'Q', 'D', 'o', '5323']
Output (English): 523335743315955285B8621H7031275714031077377122633171Sc