#include <stdio.h> int main(){ int n; scanf("%d",&n); //4 for(int i=1;i<=n;i++) { int a,b,c; scanf("%d%d%d",&a,&b,&c); if( a*a + b*b== c*c || c*c + b*b== a*a || a*a + c*c== b*b ) //or || printf("good\n"); else if( a==b || a==c || b==c) printf("perfect\n"); else printf("just a triangle\n"); } }