Task: Program Execution
Input (English): 1961 M a h 7207 r c m 821 k 9853 G W 4981 U T i p 3193 703 8879 k 9733 F F 4187 6443 8253
Output (English): 1, 5, 9, 11, 14, 19, 20, 21, 23, 26, 27, 28