Task: Program Execution
Input (English): 6855 2833 E X Q A 6993 4221 7679 o 7427 W 17 4169 E P F 4199 z D B N 1233 2913 2755 3551 895 F 823
Output (English): 3, 4, 5, 6, 10, 12, 15, 16, 17, 19, 20, 21, 22, 28