Task: Program Execution
Input (English): K, 4683, s, 8901, 5317, 6335, J, g, j, u, 5239, m, 1851, 8623, p, 4499, 7521, j, o, 2693, 9573, 9691, 7085, 7953
Output (English): K, s, J, g, j, u, m, p, j, o