Problem.2920

#include <stdio.h>
int main(){
	int temp[8]={0,};
	int state[8]={0,};
	int now_state;
	// 0=ascending 1=descending 2=mix
	for(int i=0;i<8;i++){
	scanf("%d",&temp[i]);
	}
	now_state=temp[1]-temp[0];
	for(int j=0;j<7;j++){
		if(now_state==1&&now_state==(temp[j+1]-temp[j]))
		//오름차순
			continue;
		else if(now_state<0&&now_state==(temp[j+1]-temp[j]))
		//내림차순
			continue;
		else{
			now_state=2;
			//등차 수열을 이루지 못해서 Mix의 상태임.
		break;
		}
	}	
	if(now_state==1)
		printf("ascending\n");
	else if(now_state<0)
		printf("descending\n");
	else
		printf("mixed\n");
}