println(3.14) println(3.) println(.14) println(3.14e3) println(3.14e-3) println(-42e100) println("ADD") println(3.14+3.14) println(3.14+3) println(3+3.14) println("MUL"); println(3.14*3.14) println(3.14*3) println(3*3.14) println("SUB") println(3.14-3.14) println(3.14-3) println(3-3.14) println("DIV") println(3.14/3.14) println(3.14/3) println(3/3.14) println("MOD") println(3.15%3.14)