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- /*
- * Write a program that reads 3 integer numbers from the console and prints their sum.
- */
- using System;
- class SumOfIntegerNumbers
- {
- static void Main()
- {
- int number1, number2, number3, sum;
- string errorInvalidInt = "Invalid input! Please enter value between " + int.MinValue + " and " + int.MaxValue + "!\n";
- Console.WriteLine("Enter value of number 1: ");
- while(!(int.TryParse(Console.ReadLine(), out number1) && number1 >= int.MinValue && number1 <= int.MaxValue))
- {
- Console.WriteLine(errorInvalidInt + "\r\nEnter value of number 1: ");
- }
- Console.WriteLine("Enter value of number 2: ");
- while (!(int.TryParse(Console.ReadLine(), out number2) && number2 >= int.MinValue && number2 <= int.MaxValue))
- {
- Console.WriteLine(errorInvalidInt + "\r\nEnter value of number 2: ");
- }
- Console.WriteLine("Enter value of number 3: ");
- while (!(int.TryParse(Console.ReadLine(), out number3) && number3 >= int.MinValue && number3 <= int.MaxValue))
- {
- Console.WriteLine(errorInvalidInt + "\r\nEnter value of number 3: ");
- }
- checked
- {
- sum = number1 + number2 + number3;
- }
- Console.WriteLine("{0} + {1} + {2} = {3}", number1, number2, number3, sum);
- Console.WriteLine("The sum of numbers {0}, {1} and {2} is : {3}", number1, number2, number3, sum);
- Console.WriteLine();
- Main();
- }
- }
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