Task: Program Execution
Input (English): e, 4049, Z, 3797, 5973, 5669, 4323, 7587, 2621, b, 565, 6671, 4163, Z, 6593, 595, v, 245, 5639, 2991, 1549, 1271, 971, 7441
Output (English): 4049, 3797, 5973, 5669, 4323, 7587, 2621, 565, 6671, 4163, 6593, 595, 245, 5639, 2991, 1549, 1271, 971, 7441