Task: Program Execution
Input (English): 1581, E, 8393, c, 1075, 6817, d, 7303, 1077, Z, 9291, D, 3901, u, 3893, 5903, C
Output (English): 1581, 8393, 1075, 6817, 7303, 1077, 9291, 3901, 3893, 5903