Task: Program Execution
Input (English): 279, 3373, a, 5671, 4337, d, C, 1761, p, 9653, e, 4709, 3495, J, Q, M, L, 989, 2821
Output (English): 1, 2, 4, 5, 8, 10, 12, 13, 18, 19