Task: Program Execution
Input (English): 515 4187 N W n k 2887 M 6085 9455 i o 4193 7791 2289 E U Q Q K Z W 6309 9043 5117 7985 i N 3063 2705 R X C
Output (English): 1, 2, 7, 9, 10, 13, 14, 15, 23, 24, 25, 26, 29, 30