#include <stdio.h>

int main() {

     int a = 5, b = 4, c = 3, d = 2, e = 1, f;

     f = a * b - c * d + e;
     printf("%d\n", f);

     f = a / b % c / d;
     printf("%d\n", f);

     f = - a - b + c - + d;
     printf("%d\n", f);

     f = a * - b / c - d;
     printf("%d\n", f);

     a = b = c;
     d *= a + b;
     printf("%d\n", d);

     return 0;
}