Task: Program Execution
Input (English): 5579, 2551, 3369, a, 3039, F, 4195, n, p, f, 2303, 9425, m, 9581, 497, 3891, 7927, 9225
Output (English): 1, 2, 3, 5, 7, 11, 12, 14, 15, 16, 17, 18