#include <stdio.h>

int main() {
    int num[8]={0};
    int des=1;
    int asc=1;
    for(int i=0; i<8; i++) {
        scanf("%d",&num[i]);
    }
    for (int i=0 ; i<8; i++) {
        if (num[0]==1 && num[i]==i+1) {des =0; continue;}
        else if (num[0]==8 &&num[8-(i+1)]==i+1) {asc=0; continue;}
        else { 
        printf("mixed");
        return 0;
        }
    }
    if (asc) printf("ascending");
        else if (des) printf("descending");
    return 0;
}