Task: Program Execution
Input (English): 14, 15, ['g', '6569', '5699', 'h', '8131', 'n', 'd', '9209', 'W', '5121', 'P', 'I', 'Z', '341', 'p', 'h', 'U', '421', '5445', '8325']
Output (English): p143