title: I want to take two integer numbers in one row and calculate their sum in python3
body: <p>I want to take two numbers in one row by space and get their sum. 
  so I think I have to use a split()</p>
  
  <p>This is the code I wrote</p>
  
  <pre><code>    num1,num2 = map(int,input.split())
      result = num1+num2
      print(str(result))
  </code></pre>
  
  <p>'''It keep says that this code have a runtime error but I can't find out why'''</p>