int main(void){
	int df1, df2, df3, sf;
	scanf("%d%d%d%d", &df1, &df2, &df3, &sf);

	if(sf != 0) {
		printf("SURVIVED\n");
	}
	else if((df1+df2+df3) < 2) {
		printf("SURVIVED\n");
	}
	else {
		printf("DEAD\n");
	}

	return 0;
}