#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
value = ((value & 0xFFFF0000) >> 16) | ((value & 0x0000FFFF) << 16);
value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8 );
return value;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}