#include<stdio.h>
int main()
{
    int a,b,c,d,e,sum,avg;
    scanf("%d\n",&a);
    scanf("%d\n",&b);
    scanf("%d\n",&c);
    scanf("%d\n",&d);
    scanf("%d\n",&e);
    sum=a+b+c+d+e;
    avg=sum/5;
    if(avg>=90)
    {
        printf("outstanding");
    }
    if else(avg>=70||avg<90)
    {
        printf("Excellent")
    }
    
    return 0;
}