const cinema_auditorium = (spisok2D,ryad)=> {
   
  let tickets = spisok2D[ryad].reduce((sum,ticket ) => sum + ticket, 0);
  return tickets; //Filippov Ilya
}

const tab = (f, a, b, h) => {
 let sum = 0;
  for (let x = a; x <= b; x +=h){
    sum += f(x); //Filippov Ilya
  }
  return sum
}

function sumNechet(a, b) {
  let sum = 0;
  for(let i = a; i <= b; i++){
    if (i % 2 !== 0){
      sum += i
    }
  }
  return sum;
}

 function нечетное(число) {
  // Filippov Ilya
}