22. Extract Even Bits Only from 32-bit Register

#include <stdio.h>
#include <stdint.h>
uint32_t value=0;
uint32_t extract_even_bits(uint32_t reg) {
    for (int i =0;i<16;i++)
    {
        value |= ((reg&(1<<(i*2)))>>i); 
    }
    // Your code here
  return value;
}

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