Task: Program Execution
Input (English): 1, 5, ['f', 'S', 'c', 'v', 'y', '325', 'z', '1277', '7063', '8053', '7319', 'k', 'o', '2737', 'R', 'o', '3121', 'O', 'W', '7633', 'A']
Output (English): yvcSf