# -*- coding: utf-8 -*-

import bisect

import heapq

import math

import random

import sys

from collections import Counter, defaultdict, deque

from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal

from functools import lru_cache, reduce

from itertools import combinations, combinations_with_replacement, product, permutations

from operator import add, mul, sub



sys.setrecursionlimit(10000)





def read_int():

    return int(input())





def read_int_n():

    return list(map(int, input().split()))





def read_float():

    return float(input())





def read_float_n():

    return list(map(float, input().split()))





def read_str():

    return input().strip()





def read_str_n():

    return list(map(str, input().split()))





def error_print(*args):

    print(*args, file=sys.stderr)





def mt(f):

    import time



    def wrap(*args, **kwargs):

        s = time.time()

        ret = f(*args, **kwargs)

        e = time.time()



        error_print(e - s, 'sec')

        return ret



    return wrap





@mt

def slv(N, M, X, Y, x, y):

    mx = max(x)

    my = min(y)



    error_print(mx, my)

    if mx < my and (my > X and mx < Y):

        return 'No War'

    return 'War'





def main():

    N, M, X, Y = read_int_n()

    x = read_int_n()

    y = read_int_n()

    print(slv(N, M, X, Y, x, y))





if __name__ == '__main__':

    main()

# -*- coding: utf-8 -*-

import bisect

import heapq

import math

import random

import sys

from collections import Counter, defaultdict, deque

from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal

from functools import lru_cache, reduce

from itertools import combinations, combinations_with_replacement, product, permutations

from operator import add, mul, sub



sys.setrecursionlimit(10000)





def read_int():

    return int(input())





def read_int_n():

    return list(map(int, input().split()))





def read_float():

    return float(input())





def read_float_n():

    return list(map(float, input().split()))





def read_str():

    return input().strip()





def read_str_n():

    return list(map(str, input().split()))





def error_print(*args):

    print(*args, file=sys.stderr)





def mt(f):

    import time



    def wrap(*args, **kwargs):

        s = time.time()

        ret = f(*args, **kwargs)

        e = time.time()



        error_print(e - s, 'sec')

        return ret



    return wrap





@mt

def slv(N, M, X, Y, x, y):

    mx = max(x)

    my = min(y)



    error_print(mx, my)

    if mx >= my:

        return 'War'



    for i in range(mx+1, my+1):

        if X < i <= Y:

            return 'No War'

    return 'War'





def main():

    N, M, X, Y = read_int_n()

    x = read_int_n()

    y = read_int_n()

    print(slv(N, M, X, Y, x, y))





if __name__ == '__main__':

    main()

# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
import sys
from collections import Counter, defaultdict, deque
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from functools import lru_cache, reduce
from itertools import combinations, combinations_with_replacement, product, permutations
from operator import add, mul, sub

sys.setrecursionlimit(10000)


def read_int():
    return int(input())


def read_int_n():
    return list(map(int, input().split()))


def read_float():
    return float(input())


def read_float_n():
    return list(map(float, input().split()))


def read_str():
    return input().strip()


def read_str_n():
    return list(map(str, input().split()))


def error_print(*args):
    print(*args, file=sys.stderr)


def mt(f):
    import time

    def wrap(*args, **kwargs):
        s = time.time()
        ret = f(*args, **kwargs)
        e = time.time()
        error_print(e - s, "sec")
        return ret

    return wrap


@mt
def slv(N, M, X, Y, x, y):
    mx = max(x)
    my = min(y)
    error_print(mx, my)
    if mx < my and (my > X and mx < Y):
        return "No War"
    return "War"


def main():
    N, M, X, Y = read_int_n()
    x = read_int_n()
    y = read_int_n()
    print(slv(N, M, X, Y, x, y))


if __name__ == "__main__":
    main()

# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
import sys
from collections import Counter, defaultdict, deque
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from functools import lru_cache, reduce
from itertools import combinations, combinations_with_replacement, product, permutations
from operator import add, mul, sub

sys.setrecursionlimit(10000)


def read_int():
    return int(input())


def read_int_n():
    return list(map(int, input().split()))


def read_float():
    return float(input())


def read_float_n():
    return list(map(float, input().split()))


def read_str():
    return input().strip()


def read_str_n():
    return list(map(str, input().split()))


def error_print(*args):
    print(*args, file=sys.stderr)


def mt(f):
    import time

    def wrap(*args, **kwargs):
        s = time.time()
        ret = f(*args, **kwargs)
        e = time.time()
        error_print(e - s, "sec")
        return ret

    return wrap


@mt
def slv(N, M, X, Y, x, y):
    mx = max(x)
    my = min(y)
    error_print(mx, my)
    if mx >= my:
        return "War"
    for i in range(mx + 1, my + 1):
        if X < i <= Y:
            return "No War"
    return "War"


def main():
    N, M, X, Y = read_int_n()
    x = read_int_n()
    y = read_int_n()
    print(slv(N, M, X, Y, x, y))


if __name__ == "__main__":
    main()

-    if mx < my and (my > X and mx < Y): -        return "No War" +    if mx >= my: +        return "War" +    for i in range(mx + 1, my + 1): +        if X < i <= Y: +            return "No War"