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
    uint32_t new_value = 0b0;
    for (size_t i=0; i < 32; i+=2){
        size_t pos = i/2;
        uint32_t bit = (reg>>i) & 1;
        new_value = new_value | (bit<<pos);
    }
    return new_value;
}

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