Task: Program Execution
Input (English): k, 8115, 5915, 8063, a, 9289, 9553, 2675, s, 8303, 8061, 6791, h, 2717, 3851, 3521, f, 9839, 7425, 3557, 3285, i, k, 9455
Output (English): a, f, h, i, k, s