I have no idea what I did wrong, it doesnt work at all

/* 
  1. Store correct answers
   - When quiz begins, no answers are correct
*/
let correct = 0;
// 2. Store the rank of a player
let rank;
// 3. Select the <main> HTML element
const main = document.querySelector('main');
/*
  4. Ask at least 5 questions
   - Store each answer in a variable
   - Keep track of the number of correct answers
*/
const a1 = prompt("1+1???");
if (a1==2){
  correct+=1;
} 
/*
  5. Rank player based on number of correct answers
   - 5 correct = Gold
   - 3-4 correct = Silver
   - 1-2 correct = Bronze
   - 0 correct = No crown
*/
if (correct===1){
  rank = "Bronze";
}
// 6. Output results to the <main> element
main.innerHTML = `
  <h2>Hi ${rank}</h2>
  <p>HI</p>
`;