Task: Program Execution
Input (English): 1271, 9589, M, 4531, 993, s, F, 539, 423, v, Q, 5521, m, 9639, 7169, j, Y, O, R, 7635, 4161, 2215, 4667, 8791
Output (English): 1271, 9589, 4531, 993, 539, 423, 5521, 9639, 7169, 7635, 4161, 2215, 4667, 8791