Task: Program Execution
Input (English): y, f, H, B, Z, Q, x, 8341, 4887, 8279, 3555, I, 7693, L, C, i, 7723, 2641, 475
Output (English): y, f, H, B, Z, Q, x, I, L, C, i, 8341, 4887, 8279, 3555, 7693, 7723, 2641, 475