# coding: utf-8


def main():
    flags = list(map(int, input().split(' ')))
    print(judge(flags))
    

def judge(flags):
    if flags[3]:
        return 'SURVIVED'
    else:
        return 'SURVIVED' if sum(flags[:2]) < 2 else 'DEAD'


if __name__ == '__main__':
    main()