flag = input().split()
flag = [int(i) for i in flag]

count = 0
for i in range(0, len(flag)-1):
    if flag[i] == 1:
        count = count + 1
    pass

if flag[3] == 1:
    print("SURVIVED")
elif count >= 2:
    print("DEAD")
else:
    print("SURVIVED")