def solve():
    line = input().split(' ')
    deadFlg = int(line[0]) + int(line[1]) + int(line[2])
    surviveflg = bool(int(line[3]))
    if (surviveflg):
        print("SURVIVED")
        return
    if (deadFlg >= 2):
        print("DEAD")
    else:
        print("SURVIVED")


solve()