#include <stdio.h>

int main()
{
     int x = 0;

     x = (3 + 4) * 5 - 6;
     printf("%d\n", x);

     x = 3 + 4 * (5 - 6);
     printf("%d\n", x);

     x = -3 + 4 * (5 - 6);
     printf("%d\n", x);

     x = -(3 + 4 * 5 - 6);
     printf("%d\n", x);

     return 0;

}