PB - Cinema

function solve(input) {
   let seats = Number(input[0]);
   let people = 0;
   let income = 0;
   let index = 1;
   let command = input[index];
   index++;

   while(command !== 'Movie time!' && people + command <= seats) {
       people += command;
       if(command % 3 === 0) {
           income += command * 5 - 5;
       } else {
           income += command * 5;
       }
       command = input[index];
       index++;
   }

   if(people > seats) {
       console.log(`The cinema is full.`);
       console.log(`Cinema income - ${income} lv.`);
   } else {
       console.log(`There are ${seats - people} seats left in the cinema.`);
       console.log(`Cinema income - ${income} lv.`);
   }
}