Task: Program Execution
Input (English): 773, 7535, 7581, K, 1623, 9365, 3027, 6495, x, u, Z, 623, 3943, c, 3431, 8813, 5951, 757, b
Output (English): 773, 7535, 7581, 1623, 9365, 3027, 6495, 623, 3943, 3431, 8813, 5951, 757