杭电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\n");        else if(a==b||b==c||c==a)        printf("perfect\n");        else printf("just a triangle\n");    }return 0;}