Task: Program Execution
Input (English): 20, 24, ['i', '3377', '9699', 'n', '9523', 's', '8623', '579', 'P', '1479', 'W', 'X', '4923', '6819', '137', '1415', 'b', '2839', '8567', 'B', 'Z', '3669', 'j', 'g', 'o', 'g', 'f']
Output (English): gj3669ZB