Task: Program Execution
Input (English): h, 1497, 1897, 9993, d, Z, N, 1901, 6855, 4895, D, t, 9747, 6213, z, x, N, I, 4563, R, e, 8055
Output (English): 1497, 1897, 9993, 1901, 6855, 4895, 9747, 6213, 4563, 8055