function passionDays(input) {
    let budget = Number(input.shift());
    let command = input.shift();
    let counter = 0;
    let isNoShopping = false;

    if (command === "mall.Enter") {
      command = input.shift();
      while (command !== "mall.Exit") {
        for (let i = 0; i < command.length; i++) {
          if (command.charCodeAt(i) >= 65 && command.charCodeAt(i) <= 90) {
            if (command.charCodeAt(i) / 2 > budget) {
              isNoShopping = true;
              break;
            }
            budget = budget - command.charCodeAt(i) / 2;
          } else if (
            command.charCodeAt(i) >= 97 &&
            command.charCodeAt(i) <= 122
          ) {
            if (command.charCodeAt(i) * 0.3 > budget) {
              isNoShopping = true;
              break;
            }
            budget -= command.charCodeAt(i) * 0.3;
          } else if (command[i] === "%") {
            if (command.charCodeAt(i) > budget) {
              isNoShopping = true;
              break;
            }
            budget = budget / 2;
          } else if (command[i] === "*") {
            budget += 10;
          } else {
            if (command.charCodeAt(i) > budget) {
              isNoShopping = true;
              break;
            }
            budget -= command.charCodeAt(i);
          }
        }
        if (isNoShopping === true) {
          break;
        }
        counter++;
        command = input.shift();
      }
    }
    if (counter === 0) {
      console.log(`No purchases. Money left: ${budget.toFixed(2)} lv.`);
    } else if (counter > 0) {
      console.log(`${counter} purchases. Money left: ${budget.toFixed(2)} lv.`);
    }
  }
  passionDays([110, "mall.Enter", "%", "a", "b", "a", "mall.Exit"]);