Task: Program Execution
Input (English): 1845, 2751, o, 3761, J, 4469, F, 3673, x, 8117, c, 6317, q, N, 8211, 5307, 2811, 3143, E, R, 4131, R, 4423, V
Output (English): 1845, 2751, 3761, 4469, 3673, 8117, 6317, 8211, 5307, 2811, 3143, 4131, 4423