import java.util.Scanner;

public class No3497 {

	public static void main(String[] args) {
		
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		scanner.close();
		
		int i = 0;
		int ans = 200;

		String[] ary = S.split("");
		
		for(i = 0;i < ary.length;i++) {
			
			if((i == 0 || i == ary.length-1) && !ary[i].matches("[a-zA-Z0-9]")) {
				ans = 400;
				break;
			}else if(!ary[i].matches("[a-zA-Z0-9-_]")) {
				ans = 400;
				break;
			}
			
		}
		
		System.out.println(ans);

	}

}