import java.util.*;
public class Main {
    public static void main(String[] args) {
 
        Scanner s = new Scanner(System.in);
    	String str = s.next();
    	String[] day = {"MON","TUE","WED","THU","FRI","SAT","SUN"};
    	int[] l = {6,5,4,3,2,1,7};
    	for (int i = 0; i < 7; i++){
			if (str.equals(day[i])) System.out.println(l[i]);

		}

}
}
/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