Task: Program Execution
Input (English): I, 2693, z, Z, 4269, 5115, 7525, E, 3015, 7049, 2071, b, 437, 3145, 667, w, 7457, s, u, d
Output (English): 1, 3, 4, 8, 12, 16, 18, 19, 20