Task: Program Execution
Input (English): 1, 9, ['8507', '1839', 'd', '6955', '3691', 'c', 'R', '9097', 'E', 'b', 'X', 'P', 'D', 'S', '1515', 'X', 'I']
Output (English): E, 9097, R, c, 3691, 6955, d, 1839, 8507