Task: Program Execution
Input (English): 1, 13, ['9521', '4063', 'R', '2139', 'x', '5441', 'e', '2885', '931', 'L', 'p', 'y', 'r', '481', 'v', '3041', 'x', 'R', '5371', '7035', '4883', 'Z', 'a', 'X', '6947', '4397']
Output (English): r, y, p, L, 931, 2885, e, 5441, x, 2139, R, 4063, 9521