
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String sn=sc.nextLine();
String[] data={"SUN","MON","TUE","WED","THU","FRI","SAT"};

for(int i=0;i<data.length;i++){
if(sn.equals(data[i])){
System.out.println(7-i);
break;
}
}


	}
}
/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