#include <stdio.h>
#include <stdint.h>
uint32_t extract_even_bits(uint32_t reg) {
// Your code here
uint32_t result = 0;
for (int i = 0; i < 16; ++i) {
// Extract bit at even position (i*2)
uint32_t bit = (reg >> (i * 2)) & 1;
// Place it at position i in the result
result |= (bit << i);
}
return result;
return 0;
}
int main() {
uint32_t reg;
scanf("%u", ®);
printf("%u", extract_even_bits(reg));
return 0;
}