class TestNum{
	//int a =30;
	//int b=20;
	//int e;
	public static void main(String[] args){
		 int c;
		 c=10;
		 c=20;
		 c=30;
		 double d=1.23;
		 float f=1.23f;
		System.out.println(c);
		//System.out.println(a);
		System.out.println(d+f);
	}
	//System.out.println(c);
	
}