console.log("hello wrold");
let a=5;
a++;
a--;
console.log(a);
let b=2;
console.log("a=",a,"&b=",b);
console.log("a+b=",a+b);
console.log("a-b=",a-b);
console.log("a*b=",a*b);
console.log("a/b=",a/b);
console.log("a%b=",a%b);
a!==b;
console.log("a!...
