using System;

public class Program

{

    public static void Main()

    {

         //101

      Console.WriteLine(" //101");

      double xi,yi;

      double x = 1;

      double y=2;

      int n = 3 ;

      double sum = 1;

      for(int i = 1; i<n ; i++){

          xi = 2*Math.Abs(x +3);

          yi=Math.Pow(y,2)-4;

          sum += Math.Pow(xi+yi,2);

           }

    Console.WriteLine("sum="+sum);

        //102

     Console.WriteLine(" //102");

      x = 2 ;

      y=0.5;

      n = 2;

      double art = 1 ;

      for(int i = 1 ; i < n; i++){

          xi = Math.Pow(x+2,2);

          yi=y+6;

          art *= (xi-yi);

      }

    Console.WriteLine("art = "+art);

        //103

     Console.WriteLine(" //103");

      double x4 = 2 ;

      n = 3 ;

      for(int i = 4 ; i < n;i++){

          xi= Math.Pow(x4,2);

          yi=Math.Tan(x);

          art *= ( Math.Pow(xi,2) + yi );

      }

    Console.WriteLine("art = "+art);

        //104

         Console.WriteLine(" //104");

      double x0 = -7 ;

      double y0=8;

       n = 5 ;

       for(int i = 0 ; i < n;i++){

          xi= Math.Pow(Math.Sin(x0),2);

          yi=y0+2;

          sum += ( Math.Pow(xi,2) - 2*y );

      }

    Console.WriteLine("sum = "+sum);

        //105

         Console.WriteLine(" //105");

      x0 =y0=1 ;

      sum = 1 ;

      n = 2;

      n=n-1;

      for(int i = 0 ; i < n;i++){

          xi= Math.Sin( x0)+3;

          yi=Math.Cos(y0);

          sum += ( Math.Pow(xi,2) +yi );

      }

    Console.WriteLine("sum = "+sum);

        //106

         Console.WriteLine(" //106");

        double  x1= 3 ;

        double y1=3;

         sum = 1 ;

        n = 3 ;

        n=n-3;

        for(int i = 1 ; i < n;i++){

          xi= x1 - y1 ;

          yi=Math.Pow(y,2)-6;

          sum +=  Math.Pow(xi,2)+Math.Sin(y);

          }

    Console.WriteLine("sum = "+sum);

        //107

        Console.WriteLine(" //107");

         x0 = 1 ;

         y0=1;

         art = 1 ;

         n = 2 ;

         n=3*n;

         for(int i = 0 ; i < n;i++){

          xi=x0/2 ;

          yi=y0/3;

          art *=  Math.Cos(xi+yi);

           }

        Console.WriteLine("art = "+art);

        //108

         Console.WriteLine(" //108");

      double xn = 1 ;

      double yn=1;

      sum = 1 ;

      n = 3 ;

      n=2*n;

       for(int i = n ; i < n;i++){

          xi= 5*Math.Abs(xn+3) ;

          yi=5*yn+2;

          sum +=  xi+Math.Pow(y,2);

          }

    Console.WriteLine("sum = "+sum);

        //109

        Console.WriteLine(" //109");

        double a1 = 1 ;

        double b1=2;

        double ai;

        double bi;

         sum = 1 ;

         n = 4 ;

      for(int i = 1 ; i < n;i++){

          ai=6*a1-4;

          bi=5*Math.Tan(b1)+3;

          sum += ai+Math.Pow(bi,2);

      }

    Console.WriteLine("sum = "+sum);

        //110

        Console.WriteLine(" //110");

         a1 = 1 ;

         b1=1;

         art = 1 ;

         n = 6 ;

         n=n*3;

         for(int i = 1 ; i < n;i++){

          ai= Math.Sin(a1) ;

          bi=Math.Cos(b1)+3;

          art *=ai+bi;

          xi = xn ;

         }

    Console.WriteLine("art = "+art);

         Console.Read();

    }

}