Task: Program Execution
Input (English): 9103, 6437, 4315, 2505, Z, 7605, 3653, 4473, 3319, 1357, W, 9473, 3683, a, 6225, 5479, 8339, J, 8797, P, j, 2679
Output (English): 5, 11, 14, 18, 20, 21