problem.java

float a = (float) 0.00;
float b = (float) 0.00;
float c = (float) 0.00;
for(; a < 65.52; a+=0.01){
  for(; b < 65.52; b+=0.01){
    for(; c < 65.52; c+=0.01){
      if(a+b+c == 65.52 && a*b*c == 65.52){
        System.out.println(a+", "+b+", "+c);
        break;
      }
    }
  }
}

// Results : a = 0.52, b = 2 and c = 63