int printf(char* format, ...);

int main() {
    int a = 5;
    int b = 4;
    printf("%d+%d=%d\n", a, b, a + b);
    printf("%d-%d=%d\n", a, b, a - b);
    printf("%d*%d=%d\n", a, b, a * b);
    printf("%d/%d=%d\n", a, b, a / b);
    printf("%d%%%d=%d\n", a, b, a % b);
    printf("%d&%d=%d\n", a, b, a & b);
    printf("%d|%d=%d\n", a, b, a | b);
    printf("%d^%d=%d\n", a, b, a ^ b);
    printf("%d<<%d=%d\n", a, b, a << b);
    printf("%d>>%d=%d\n", a, b, a >> b);
}