Task: Program Execution
Input (English): 9247 o 7017 1203 1021 c 9319 9553 6495 b 5423 o j 2793 299 1277 a f p 2107 l 1841 a l 1781 c 1263 6463 1557 4389 8545 m 1203 a 9661 9165 9169
Output (English): a, b, c, f, j, l, m, o, p