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import java.util.stream.Collectors;
import java.util.stream.IntStream;

public class Prime {
    public Prime() {
        System.out.println(IntStream.range(2, 100).filter(n ->
                IntStream.range(2, (int) Math.sqrt(n) + 1).allMatch(v -> n % v != 0))
                .mapToObj(String::valueOf).collect(Collectors.joining(" ")));
    }

    public static void main(String args[]) {
        new Prime();
    }
}