22. Extract Even Bits Only from 32-bit Register

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

uint32_t extract_even_bits(uint32_t reg) {
    // Your code here
    uint16_t new_reg = 0;
    for(uint8_t i=0; i<16;i++)
    {
        new_reg = new_reg | (((reg>>(2*i))&1)<<i);
    }
    return new_reg;
}

int main() {
    uint32_t reg;
    scanf("%u", &reg);
    printf("%u", extract_even_bits(reg));
    return 0;
}