Task: Program Execution
Input (English): 7161, 6457, 1657, U, 7781, 925, 9429, f, 2871, x, K, c, E, w, L, 6171
Output (English): 7161, 6457, 1657, 21, 7781, 925, 9429, 6, 2871, 24, 11, 3, 5, 23, 12, 6171