Task: Program Execution
Input (English): 1, 18, ['o', '5077', '5605', 'k', 't', 'b', 'L', 'H', '1763', 'q', '8081', 'U', '1539', '9013', '8231', 'y', 'M', 'Q', 'u', '5509', 'r', '1799', '7877']
Output (English): QMy132831099351U1808q3671HLbtk50657705o