if((a*a + b*b == c*c)||(a*a - b*b == c*c)||(a*a - b*b == -c*c))System.out.println("Rechtwinklig");if((a == b)&&(b == c))System.out.println("Gleichseitig");if((a == b)||(b == c)||(a == c))System.out.println("Gleichschenklig");