Task: Program Execution
Input (English): 13, 19, ['2101', 'P', '5973', '7697', 'q', '9679', 'k', '4871', 'M', 'x', 'H', 'j', '6969', '1351', '7719', 'u', '9187', 'j', 'L', '5547', '6907', '6541', '1041', 'f']
Output (English): Lj7819u917715319696