The polar bears are going fishing. They plan to sail from (*s*<sub class="lower-index">*x*</sub>, *s*<sub class="lower-index">*y*</sub>) to (*e*<sub class="lower-index">*x*</sub>, *e*<sub class="lower-index">*y*</sub>). However, the boat can only sail by wind. At each second, the wind blows in one of these directions: east, south, west or north. Assume the boat is currently at (*x*, *y*).
 -  If the wind blows to the east, the boat will move to (*x* + 1, *y*). -  If the wind blows to the south, the boat will move to (*x*, *y* - 1). -  If the wind blows to the west, the boat will move to (*x* - 1, *y*). -  If the wind blows to the north, the boat will move to (*x*, *y* + 1). 
Alternatively, they can hold the boat by the anchor. In this case, the boat stays at (*x*, *y*). Given the wind direction for *t* seconds, what is the earliest time they sail to (*e*<sub class="lower-index">*x*</sub>, *e*<sub class="lower-index">*y*</sub>)?
The first line contains five integers *t*, *s*<sub class="lower-index">*x*</sub>, *s*<sub class="lower-index">*y*</sub>, *e*<sub class="lower-index">*x*</sub>, *e*<sub class="lower-index">*y*</sub> (1 ≤ *t* ≤ 10<sup class="upper-index">5</sup>,  - 10<sup class="upper-index">9</sup> ≤ *s*<sub class="lower-index">*x*</sub>, *s*<sub class="lower-index">*y*</sub>, *e*<sub class="lower-index">*x*</sub>, *e*<sub class="lower-index">*y*</sub> ≤ 10<sup class="upper-index">9</sup>). The starting location and the ending location will be different.

The second line contains *t* characters, the *i*-th character is the wind blowing direction at the *i*-th second. It will be one of the four possibilities: "E" (east), "S" (south), "W" (west) and "N" (north).
t, x, y, e, u = input().split()
s = input()
t, x, y, e, u = int(t), int(x), int(y), int(e), int(u)
cnt = 0
if x == e:
    if u > y:
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'N':
                y += 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break
        if cnt == 0:
            cnt = -1
    elif u < y:        
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'S':
                y -= 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break
        if cnt == 0:
            cnt = -1
    elif u == y:
        tempx = x
        tempy = y
        cnt = 0

elif e > x:
    if u > y:
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'E':
                x += 1
            if s[i] == 'N':
                y += 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
                break
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break
        if cnt == 0:
            cnt = -1
    elif u < y:
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'E':
                x += 1
            if s[i] == 'S':
                y -= 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break
        if cnt == 0:
            cnt = -1

    elif u == y:
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'E':
                x += 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break

        if cnt == 0:
            cnt = -1

elif e < x:
    if u > y:
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'W':
                x -= 1
            if s[i] == 'N':
                y += 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break

        if cnt == 0:
            cnt = -1

    elif u < y:
        
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'W':
                x -= 1
            if s[i] == 'S':
                y -= 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break
        if cnt == 0:
            cnt = -1

    elif u == y:
        for i in range(len(s)):
            tempx = x
            tempy = y
            if s[i] == 'W':
                x -= 1
            if x == e:
                tempx = x
            if y == u:
                tempy = y
            if tempx == e and tempy == u:
                cnt = i + 1
            if i == len(s) - 1 and (tempx != e and tempy != u):
                cnt = -1
                break
        if cnt == 0:
            cnt = -1


print(cnt)