#include <stdio.h>
int main(void){
    int a,b,c,d,add=0;
    scanf("%d %d %d %d",&a,&b,&c,&d);
    if(a==1){add++;}
        if(b==1){add++;}
            if(c==1){add++;}
                if(d==1){add=0;}
                if(add>=2){printf("DEAD\n");}
                else{printf("SURVIVED\n");}
}