Task: Program Execution
Input (English): 7, 12, ['Z', '4091', '307', '823', '2485', 'v', 'r', '7301', 'q', 'S', '3553', 'U', '3359', 'b', '5969', 'h', '8153', '5949', '4001', 'v', '5601', '7815', '6049']
Output (English): U3553Sq7301r