N, P = list(map(int, input().split()))
W, L, G = list(map(int, input().split()))
S = 0
player = dict()
for i in range(P):
a, b = input().split()
if b == 'W':
player[a] = 1
else:
player[a] = -1
for i in range(N):
a = input()
if a not in player:
S -= L
elif player[a] == 1:
S += W
else:
S -= L
S = min(G, S)
S = max(0, S)
if S == G:
print("I AM NOT IRONMAN!!")
break
else:
print("I AM IRONMAN!!")