Task: Program Execution
Input (English): 8169 5385 n d 2067 9913 4647 8893 g 6531 3667 m z l 7081 z 1041 1111 8879 z n 5637 k t j 1755 p g 8713 w 8303 3193 z i 6421 p 7551 6543 5361 p 4935 b 1855 9205 u
Output (English): b, d, g, i, j, k, l, m, n, p, t, u, w, z