var valueX = document.getElementById('x');

var valueY = document.getElementById('y');

​

function main() {

  let x = 1;

​

  if (x === 1) {

    let x = 2;

    let y = 1;

​

    valueX.innerHTML=x;

    // expected output: 2

  }

​

  valueY.innerHTML=y;

  // expected output: 1

}