Task: Program Execution
Input (English): U, 7759, r, 6553, g, 661, 8417, 3603, 4027, 6793, 19, p, 2141, 9343, 1523, 1719, R, 9813, 8435
Output (English): 2, 4, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18, 19