Task: Program Execution
Input (English): 8763, X, 5499, f, 6321, x, E, 9847, C, 8813, 6537, 4855, a, h, 1613, 8357, 7301, 4419, k, 4081, X, 3263, V
Output (English): X, f, x, E, C, a, h, k, X, V, 8763, 5499, 6321, 9847, 8813, 6537, 4855, 1613, 8357, 7301, 4419, 4081, 3263