public class fibonacci_iterativo
{
	public static void main( String[] args )
	{
		for( int i = 0; i < 10; i++ )
			System.out.println( fib(i) );
	}

	public static int fib( int n )
	{
		if( n == 0 )
			return 0;

		int a = 0, b = 1, c;

		for( int i = 1; i < n; i++ )
		{
			c = a;
			a = b;
			b = c + b;
		}

		return b;
	}
}