Data update

Task/Arithmetic-Integer/Crystal/arithmetic-integer.cr

@@ -0,0 +1,10 @@
+a = gets.not_nil!.to_i64
+b = gets.not_nil!.to_i64
+
+puts "Sum: #{a + b}"
+puts "Difference: #{a - b}"
+puts "Product: #{a * b}"
+puts "Quotient (float division): #{a / b}"  # / always returns a float.
+puts "Quotient (floor division): #{a // b}"
+puts "Remainder: #{a % b}" # Sign of remainder matches that of the second operand (b).
+puts "Power: #{a ** b}"    # Integers can only be raised to a positive exponent.