const cinema_auditorium = (spisok2d, ryad) => {
  console.log(spisok2d, ryad);
  let totalsoldtickets = 0;

  for(let i = 0; i < spisok2d.length; i++) {
    for(let j = 0; j < spisok2d[i].length; j++) {
      if(spisok2d[i][j] === 1 && i === ryad) {
        totalsoldtickets++;
      }
    }
  }

  return totalsoldtickets;
}