Extract Even Bits Only from 32-bit Register

Code

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

uint32_t extract_even_bits(uint32_t reg) {
    // Your code here

    uint32_t result =0;
    int add_pos=0;

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

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

Solving Approach