public static void Main()
Console.WriteLine(" //101");
for(int i = 1; i<n ; i++){
sum += Math.Pow(xi+yi,2);
Console.WriteLine("sum="+sum);
Console.WriteLine(" //102");
for(int i = 1 ; i < n; i++){
Console.WriteLine("art = "+art);
Console.WriteLine(" //103");
for(int i = 4 ; i < n;i++){
art *= ( Math.Pow(xi,2) + yi );
Console.WriteLine("art = "+art);
Console.WriteLine(" //104");
for(int i = 0 ; i < n;i++){
xi= Math.Pow(Math.Sin(x0),2);
sum += ( Math.Pow(xi,2) - 2*y );
Console.WriteLine("sum = "+sum);
Console.WriteLine(" //105");
for(int i = 0 ; i < n;i++){
sum += ( Math.Pow(xi,2) +yi );
Console.WriteLine("sum = "+sum);
Console.WriteLine(" //106");
for(int i = 1 ; i < n;i++){
sum += Math.Pow(xi,2)+Math.Sin(y);
Console.WriteLine("sum = "+sum);
Console.WriteLine(" //107");
for(int i = 0 ; i < n;i++){
Console.WriteLine("art = "+art);
Console.WriteLine(" //108");
for(int i = n ; i < n;i++){
Console.WriteLine("sum = "+sum);
Console.WriteLine(" //109");
for(int i = 1 ; i < n;i++){
sum += ai+Math.Pow(bi,2);
Console.WriteLine("sum = "+sum);
Console.WriteLine(" //110");
for(int i = 1 ; i < n;i++){
Console.WriteLine("art = "+art);