public class Sample3_2 {
	public static void main(String[] args) {
		int x, y, z;
		double res;
		boolean flag;
		
		x = 31982;
		y = 35;
		z = 457;
		
		res = ( x + y + z ) / 3;
		System.out.println("( " +  x + " + " + y + " + " + z + ") / 3 = " + res + " だよ。");
		res = ( x + y + z ) / 3.0;
		System.out.println("( " +  x + " + " + y + " + " + z + ") / 3 = " + res + " だよ。");
		
		flag = true;
		System.out.println(" 今日はいい天気だよね？ ... " + flag + "!");
		
		flag = false;
		System.out.println(" 今日の夕飯はフレンチのフルコースだね！ ... " + flag + "!");
	}
}