#include using namespace std; typedef long long int ll; typedef pair P; typedef vector VI; typedef vector VVI; #define REP(i,n) for(ll i=0;i<(n);i++) #define ALL(v) v.begin(),v.end() template bool chmax(T &x, const T &y) {return (x bool chmin(T &x, const T &y) {return (x>y)?(x=y,true):false;}; constexpr ll MOD=998244353; constexpr ll INF=2e18; int main(){ char a, b; cin >> a >> b; string s="NESW"; int ans=0, f=0; for(int i=0;1;i++){ if(f) ans++; if(s[i%4]==a&&!f) f=1; if(s[i%4]==b&&f) break; } cout << ans << endl; return 0; }