#include <stdio.h>

int main(void) {
	int keisan, tate, yoko, takasa;
	
	scanf("%d",&keisan);
	
	switch(keisan){
		case 1:
			scanf("%d %d",&tate,&yoko);
			printf("2*(%d+%d)=%d\n",tate,yoko,2*(tate+yoko));
			break;
		case 2:
			scanf("%d %d",&tate,&yoko);
			printf("%d*%d=%d",tate,yoko,tate*yoko);
			break;
		case 3:
			scanf("%d %d %d",&tate,&yoko,&takasa);
			printf("%d*%d*%d=%d",tate, yoko, takasa,tate*yoko*takasa);
			break;
		default:
			printf("不正な入力です");
			break;
		 
	}
	return 0;
}