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
    int rez = 0;
    int p = 0;

    for(int i = 0; i < 32; i+=2)
    {
        if((reg >> i)&1)
        {
            rez |= (1<<p);
        }
        p++;
    }
    return rez; 
}

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