import std.algorithm;
import std.array;
import std.conv;
import std.math;
import std.stdio;
import std.string;
import std.range;

int readint() {
    return readln.chomp.to!int;
}

int[] readints() {
    return readln.split.map!(to!int).array;
}

bool calc(int[] xs) {
    if (xs[$ - 1] == 0 && xs.count!(e => e == 1) >= 2)
        return false;
    return true;
}

void main() {
    auto xs = readints();
    writeln(calc(xs) ? "SURVIVED" : "DEAD");
}