Task: Program Execution
Input (English): 2501, 7643, 703, Q, r, G, 5393, p, Z, 4503, 5675, 8355, 9107, 4123, 1327, L, D, v, p, 9197
Output (English): 1, 2, 3, 7, 10, 11, 12, 13, 14, 15, 20