Task: Program Execution
Input (English): 3, 17, ['2783', '1855', 'Y', 'k', 'S', 'r', 'K', 'x', '8229', '1509', 'Y', '1839', 'q', 'k', 'r', 'a', 'Q', 'q', '1213', 's']
Output (English): YkSrKx82291509Y1839qkraQ