Task: Program Execution
Input (English): 4, 5, ['Z', 'T', 'H', 'W', 'x', 'l', 'R', 'r', '4473', '2739', 'X', 'M', '8935', 'o', 'Q', '6359', '757', '5865', '421', 'Z', 'k', '8567', '1297', '6509', '9281', 'g', '7231', '1693', '8639', '6793']
Output (English): Wx