#include "robot.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef basic_string<int> BI;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}()); 
const ll mod=1000000007;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head

void program_pulibot()
{
    VI dir{-2,-1,0,1};
    for (int W:dir) for (int S:dir)
        for (int E:dir) for (int N:dir) {
            VI st{0,W,S,E,N};
            if (S==-2&&E==-2) {
                set_instruction(st,1,'T');
            } else {
                if (E==0) set_instruction(st,1,'E');
                else if (W==0) set_instruction(st,1,'W');
                else if (S==0) set_instruction(st,1,'S');
                else if (N==0) set_instruction(st,1,'N');
            }
        }
}