/*Written by Kate Tsui*/
#define LEFT 3
#define RIGHT 2

/* we should use this code if front sonars "see" something; check pyrotechnic sensors to see if
detect "people"; then we should go to the MCP's greeting code */
int people_detection()
{
    int value_left;
    int value_right;
    int going_left = 133;
    int going_right = 122;
    
    value_left = analog(LEFT);
    value_right = analog(RIGHT);
    
    if ((value_left>going_left) || (value_right>going_left) || (value_left<going_right) || (value_right<going_right))
      return 1;
    else
      return 0;
}