import java.util.function.*;
import java.util.stream.*;
import java.util.*;
class Odai13_673 {
    static class FibSupplier implements IntSupplier {
        private int a, b;
        public FibSupplier(int a, int b) {
            this.a = a;this.b = b;
        }
        public int getAsInt() {
            int _a = a;a = b;b = _a + b;
            return _a;
        }
    }
    public static void p(IntStream s) {
        System.out.println(Arrays.toString(s.toArray()));
    }
    public static IntStream fib(int a, int b) {
        return IntStream.generate(new FibSupplier(a, b));
    }
    public static void main(String[] args) {
        p(fib(0, 1).limit(10));
    }
}
 

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