杭電3188

#include <stdio.h>
int main()
{
    int t;
    int a,b,c;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d%d%d",&a,&b,&c);
        if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a)
        printf("good
");
        else if(a==b||b==c||c==a)
        printf("perfect
");
        else printf("just a triangle
");
    }
return 0;
}