Task: Program Execution
Input (English): 1541, 9433, 7585, f, a, m, U, l, 7799, u, 9295, 6705, s, 6589, a, L, 7429, 3199, C, M, f, G
Output (English): 1, 2, 3, 9, 11, 12, 14, 17, 18