import java.util.Scanner;
public class Main {
public static void main(String[] args){
Scanner input = new Scanner(System.in);
String a = input.nextLine();
char b = a.charAt(0);
char c = a.charAt(1);
if(b =='M'){
if(c =='1'){
System.out.println("Mathmatics Freshman");
}
if(c == '2'){
System.out.println("Mathmatics Sophomore");
}
if(c=='3'){
System.out.println("Mathmatics Junior");
}
if(c == '4'){
System.out.println("Mathmatics Senior");
}}
if(b =='C'){
if(c =='1'){
System.out.println("Computer Science Freshman");
}
if(c == '2'){
System.out.println("Computer Science Sophomore");
}
if(c=='3'){
System.out.println("Computer Science Junior");
}
if(c == '4'){
System.out.println("Computer Science Senior");
}
}
if(b == 'I'){
if(c =='1'){
System.out.println("Information Technology Freshman");
}
if(c == '2'){
System.out.println("Information Technology Sophomore");
}
if(c=='3'){
System.out.println("Information Technology Junior");
}
if(c == '4'){
System.out.println("Information Technology Senior");
}
}
}}
