Task: Program Execution
Input (English): 4, 15, ['f', 'f', '3147', '2583', 'd', '1747', 'r', 'M', 'v', 'H', 'j', '563', 'Z', '2797', '4883', 'p', '7657', 'j', '1823', 'J', 'y', '9059', 'l', '3017', 'C', '3835']
Output (English): 38847972Z365jHvMr7471d3852