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 ans =0;
    int count =0;
    for(int i=0; i<32; i++){
        if(reg&(1<<i))
            ans |= (1<<count);
        count++;
        i++;
    }
    return ans;
}

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