Task: Program Execution
Input (English): 12, 17, ['4195', 'S', '1685', '1561', '9951', '4421', 'Q', '4159', '8989', '5285', 'B', 'i', 'M', 'p', 'L', 'U', 'K', 'K']
Output (English): K, U, L, p, M, i