#include <stdio.h>
#include <string.h>
main(){int T,N,W,i,n,t;char s[6];freopen("die.txt","r",stdin);while(scanf("%d",&
n)!=EOF){if(n==0)break;T=1;N=2;W=3;for(i=0;i<n;i++){scanf("%s",&s);t=T;if(strcmp
(s,"north")==0){T=7-N;N=t;}if(strcmp(s,"east")==0){T=W;W=7-t;}if(strcmp(s,"west"
)==0){T=7-W;W=t;}if(strcmp(s,"south")==0){T=N;N=7-t;}}printf("%d\n",T);}}