Task: Program Execution
Input (English): 7779, 3797, v, L, 7901, 3345, P, 4855, 4475, 3593, 8777, 7059, 9613, 6455, 9493, E, 4299, 7663, X, 2151
Output (English): 7779, 3797, 7901, 3345, 4855, 4475, 3593, 8777, 7059, 9613, 6455, 9493, 4299, 7663, 2151