Sum of Primes and Sum of Fibonacci Numbers using c#

creat a program that calculates the prime_sum or fibo_sum of a sequence of numbers in a range supplied by the user. The user will enter a command in the following format: A command can be either prime_sum or fibo_sum. Both operand and optional_operand are numbers, however operand

Q T V 2 of 2 + Automatic Zoom v View as Text Download A sample snapshot of your program is as follows: C:\\Program Files\\dotnet\\dotnet.exe 0 X A Enter Command : prime_sum 10 Summation of Primes in the range (1 to 10) is: 2+3+5+7=17 Enter Command : prime_sum 10 20 Summation of Primes in the range (10 to 20) is: 11+13+17+19=60 Enter Command : fibo_sum 20 Summation of Fibonacci numbers in the range (1 to 20) is: 1+2+3+5+8+13=32 Enter Command : Fibo_sum 50 200 Summation of Fibonacci numbers in the range (50 to 200) is: 55+89+144=288 Enter Command : exit