Task: Program Execution
Input (English): y, d, 6711, 7955, 7053, 761, f, a, j, 3147, 5743, 9249, v, X, Q, 6697, Q, 2083, 2201, 7473, z
Output (English): 6711, 7955, 7053, 761, 3147, 5743, 9249, 6697, 2083, 2201, 7473