/*
-----------------------------------------------------
	四則演算	Print_enzan
------------------------------------------------------
*/
import java.text.*;

class Print_enzan {

	public static void main(String[] args ) {
		
		int a,b,c,d,e,f,g;
		
		a = 100;
		b = 30;
		
		System.out.print("四則演算をします\n");
		System.out.print("a＝"+a+"\n");
		System.out.print("b＝"+b+"\n");
		
		c = a + b;
		d = a - b;
		e = a * b;
		f = a / b;
		g = a % b;

		System.out.print("\n");
		System.out.print("a＋b＝"+c+"\n");
		System.out.print("a−b＝"+d+"\n");
		System.out.print("a×b＝"+e+"\n");
		System.out.print("a÷b＝"+f+"　あまり　"+g+"\n");
	}
}