#include <stdio.h>
int main(void) {
int a = 10;
int b = 20;
int c = 30;
int d = 3;
int result;
result = a + b * c / d;
printf("¿¬»ê°ª: %d\n", result);
result = (a + b) * c / d;
printf("¿¬»ê°ª: %d\n", result);
result = a = b = 1;
printf("¿¬»ê°ª: %d\n", result);
return 0;
}