#include <stdio.h>
#include <math.h>

int main()
{
    int ship_x, ship_y;
    int treasure_x, treasure_y;
    int direction_x, direction_y;
    int movement_help;

    scanf("%d %d", &ship_x, &ship_y);
    scanf("%d %d", &treasure_x, &treasure_y);

    

    while (((ship_x == treasure_x) && (ship_y == treasure_y))==0){
        direction_x = ship_x - treasure_x;
        direction_y = ship_y - treasure_y;

        //diagonal movement
        if (abs(direction_x) == abs(direction_y)){
            //NortEeast movment
            if((direction_x < 0) && (direction_y < 0)){
                printf("NE\n");
                ship_x -= direction_x;
                ship_y -= direction_y;
            }
            //NortWest movement
            else if((direction_x > 0) && (direction_y < 0)){
                printf("NW\n");
                ship_x -= direction_x;
                ship_y -= direction_y;
            }
            //SouthWest movement
            else if((direction_x > 0) && (direction_y > 0)){
                printf("SW\n");
                ship_x -= direction_x;
                ship_y -= direction_y;
            }
            //SouthEast movement
            else if((direction_x < 0) && (direction_y > 0)){
                printf("SE\n");
                ship_x -= direction_x;
                ship_y -= direction_y;
            }
        }
        else if((abs(direction_x) != abs(direction_y))){
            //horisontal / vertical movement
            if(abs(direction_x) > abs(direction_y)){
                movement_help = abs(abs(direction_x) - abs(direction_y));
                //East movement
                if(direction_x < 0){
                    printf("E\n");
                    ship_x += movement_help;
                }
                //West movement
                if(direction_x > 0){
                    printf("W\n");
                    ship_x -= movement_help;
                }
            }
            if(abs(direction_x) < abs(direction_y)){
                movement_help = abs( abs(direction_y) - abs(direction_x));
                //North Movement
                if(direction_y < 0){
                    printf("N\n");
                    ship_y += movement_help;
                }
                //South Movement
                if(direction_y > 0){
                    printf("S\n");
                    ship_y -= movement_help;
                }
            }
        }
    }
}