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 val =0;
    int count =0;
    for ( int i = 0 ; i <32; i++){
        if ( i % 2 ==  0){
            if ( reg & (1 << i) )
                {val |= ( 1 << count); count++;}
        }
    }
    return val;
}

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