include"stdio.h"

int main(){

int N,A[100000];
scanf("%d",&N);

for(int i=0;i<N;i++){
	scanf("%d",A+1);
}
for(int i=0;i<N-1;i++){
	for(int j=i+1;j<N;j++){
		if(A[i]>A[j]){
			int temp = A[i];
			A[i] = A[j];
			A[j] = temp;
		
		}
	}
}
int resurt = A[0]+A[1];
if(resurt <= A[N-1]){
	printf("CO");
}else if(resurt >A[N-1])
{printf("KHONG");
}

}