#include <stdio.h>

int main(void) {

  int res1, res2, res3;

  res1 =  10 - 1 - 9 / 3 / 2;

  res2 =  ((10 - 1) - ((9 / 3) / 2));    
  /* left to right associativity */

  res3 =  (10 - (1 - (9 / (3 / 2))));   
  /* right to left associativity */

  printf("res1 = %d, res2 = %d, res3 = %d\n", res1, res2, res3);
  
  
  return 0;
}