Task: Program Execution
Input (English): 3911, 4699, r, X, 6647, 5117, 5045, q, 4619, m, m, f, W, 7047, z, M, e, 9545, 8423, q, 1975, 7193
Output (English): 3911, 4699, 6647, 5117, 5045, 4619, 7047, 9545, 8423, 1975, 7193