#include <iostream> #include <string> #include <vector> #include <algorithm> #include <set> #include <map> using namespace std; typedef long long ll; #define rep(i,n) for (int i=0;i < (int)(n);i++) void slove(){ char a,b; cin >> a >> b; int ans = 0; if (b == 'E') ans = 1; else if (b == 'S') ans = 2; else if (b == 'W') ans = 3; if (a == 'E') ans -= 1; else if (a == 'S') ans -=2; else if (a == 'W') ans -=3; cout << (ans+4)%4 << endl; } int main(){ int tt = 1; //cin >> tt; while(tt--){ slove(); } return 0; }