Task: Program Execution
Input (English): 2, 19, ['3863', 'f', '3307', 'c', '2301', 'o', 'K', 'Y', 'C', 'c', 'y', '3717', '5271', '4255', '1337', 'g', 'k', '5161', '1835', 'e', '4747', 'P', 'F', '7153', 'K', '1921', '115', '2793', 'l']
Output (English): 18355161kg1337425552713717ycCYKo2301c3307f