Task: Program Execution
Input (English): 3975, 8519, 7157, O, N, m, R, 5499, W, y, U, 1839, Y, 5127, l, x, 6967, 359, 1939, E, 2241, 7829
Output (English): O, N, m, R, W, y, U, Y, l, x, E