Task: Program Execution
Input (English): 7475, 667, 3739, Z, k, 9109, q, 4969, 3435, 9385, Z, 4251, 2255, Q, R, 801, z, 937
Output (English): 1, 2, 3, 6, 8, 9, 10, 12, 13, 16, 18