#include <iostream>
#include <string>

using namespace std;

int main()
{
  while(1){
    int num;
    cin >> num;
    if(num == 0) break;

    int top, nth, wst;
    top = 1;
    nth = 2;
    wst = 3;

    string cmd;
    for(int i=0; i<num; i++){
      int buf;
      cin >> cmd;
      if(cmd == "north"){
	buf = nth;
	nth = top;
	top = 7-buf;
      }else if(cmd == "west"){
	buf = wst;
	wst = top;
	top = 7-buf;
      }else if(cmd == "south"){
	buf = top;
	top = nth;
	nth = 7-buf;
      }else if(cmd == "east"){
	buf = top;
	top = wst;
	wst = 7-buf;
      }
    }
    cout << top << endl;
  }
  return 0;
}