a,b,c,s = list(map(int,input().split()))
if s == "1":
    print("SURVIVED")
else:
    count = 0
    if a == "1":count += 1
    if b == "1":count+=1
    if c == "1":count += 1
    if count < 2:print("SURVIVED")
    else:
        print("DEAD")