Task: Program Execution
Input (English): 7241, 7495, 5453, D, R, 249, B, 7923, B, a, o, 9545, 8237, k, 1711, w, 6683, 1709, j
Output (English): 1, 2, 3, 6, 8, 12, 13, 15, 17, 18