import std.stdio;
import std.array;
import std.algorithm;
import std.range;

void main() {
	int[] arr = [31, 22, -3, 44, 51, 26, 47, 58, 19, 10];
	auto res = arr.enumerate.partition!(t => (t[0] & 1) == 1);
    writeln(res);
}