Task: Program Execution
Input (English): 7, ['2105', '3347', 'b', '7055', '1199', 'u', 'r', 'S', 's', 'B', '2521', 's', '4223', 'g', '2849', 'R', 'y', 'k', '431', 'd', 'Y']
Output (English): 2105, S, 2849