# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

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

#処理内容
def main():
	state = "SURVIVED"
	L = getlist()
	deathcnt = 0
	for i in range(3):
		if L[i] == 1:
			deathcnt += 1

	if deathcnt >= 2:
		state = "DEAD"

	if L[-1] == 1:
		state = "SURVIVED"

	print(state)



if __name__ == '__main__':
	main()