convert list into integer python

//Solution by Technoname.com

import java.util.Scanner;

public class Technoname
{

	public static void main(String[] args)
	{

		Scanner sc = new Scanner(System.in); 
		String s =sc.nextLine();

		int N = 0, E=0, W= 0, S= 0 ,i; 
		
		for (i=0;i<s.length();i++)
		{

			if(s.charAt(i)=='N') 
			{
				  N++;
			}
			if(s.charAt(i)=='E')
			{
				E++;
			}
			if(s.charAt(i)=='W')
			{
				W++;
			}
			if(s.charAt(i)=='S')
			{
				S++;
			}
		}
		
		if( N==S && E==W )
		{
		System.out.println("Returned successfully");
		}
		else 
		{
			System.out.println("Not Returned successfully");
		}

	}
}
Question 3 :