Task: Program Execution
Input (English): F r D 821 2113 q g P b D 3811 1919 L 7659 5321 c B y F 6915 6657 4233 z g 6735 u y
Output (English): 6, 18, 4, 821, 2113, 17, 7, 16, 2, 4, 3811, 1919, 12, 7659, 5321, 3, 2, 25, 6, 6915, 6657, 4233, 26, 7, 6735, 21, 25