A1058 A+B in Hogwarts (20 分)

18分代码，不知道哪里扣了2分

#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
  int a, b, c;
  int x, y, z;
  scanf("%d.%d.%d %d.%d.%d", &a, &b, &c, &x, &y, &z);
  
  long long int count = 0;
  count = a * 17 * 29 + b * 29 + c + x * 17 * 29 + y * 29 + z;
  
  a = count / (17 * 29);
  b = (count % (17 * 29)) / 29;
  c = count - (a * 17 * 29 + b * 29);
  
  printf("%d.%d.%d", a, b, c);
  
  return 0;
}