Bit Operations using Macros

#include <stdio.h>
#include <stdint.h>

// Define bitwise macros here
#define set1 2
#define set2 7
#define clear 3
#define toggle 5

uint8_t modify_register(uint8_t reg) {
    // Apply operations in order
    reg |= (1U << set1);
    reg |= (1U << set2);
    reg &= ~(1U << clear);
    reg ^= (1U << toggle);
    /*
    uint8_t mask = (1<< 2) | (1 << 7);
    reg |= mask;

    mask = (~(1 << 3));
    reg &= mask;

    mask = (1 << 5);
    reg ^= mask;
    */
    return reg;
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    printf("%u", modify_register(reg));
    return 0;
}