Task: Program Execution
Input (English): 13, 14, ['4751', 'q', 'w', 'G', 'y', 'm', 'o', '7975', '6673', 'C', '6251', '177', '1951', 'Y', 'L', '7437', '8759', '2261', '2609', 'i', 'p']
Output (English): 1951Y