import java.util.Scanner;

class Main {
    public static void main(String[] args) {

        final String week = "SUNMONTUEWEDTHUFRISAT"; 

        try (Scanner sc = new Scanner(System.in)) {
            String S = sc.next();
            int result = week.indexOf(S);
            if (result == 0) {
                System.out.println(7);
            } else {
                result = 7 - (result / 3);
                System.out.println(result);
            }
        }
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz