console.log("hello world");

console.log(555+555);

console.log(555+555-110);

​

var bigNum = 958469824-3582439085;

​

​

console.log(bigNum);

console.log(bigNum*-10);

​

bigNum= bigNum +10000000000;

​

console.log(bigNum);

​

console.log("66"+"6");