#include<bits/stdc++.h> using namespace std; #define int long long signed main() { unordered_map<char,char>m; char f,s; cin >> f ; cin >> s; int ans =0 ; m['S']= 'W'; m['E']='S'; m['W']='N'; m['N']='E'; while(f != s) { // cout << 1 << endl; f= m[f]; ans++; } cout << ans << '\n'; return 0; }