Task: Program Execution
Input (English): 4, 10, ['N', '1031', '3599', 'b', 'Z', 'a', '2107', 'S', '7191', '8919', '3235', '1313', 'i', 'm', '2973', '7275', 'B', 'o', '5053', '4559', 's', 'b', 'h', '3185', '853', '8545', '5699', '8219']
Output (English): 91981917S7012aZb