import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
public class Main {
String array
[] = music.
split(" "); int a = 1;
int b = 8;
for(int i=0;i<array.length;i++) {
if(Integer.
parseInt(array
[i
])==a
) { a++;
if(a==8) {
System.
out.
println("ascending"); break;
}
}else if(Integer.
parseInt(array
[i
])==b
) { b--;
if(b==1) {
System.
out.
println("descending"); break;
}
}
if(i==array.length-1) {
}
}
}
}
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