#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
return ((value & 0xFF000000)>> 24)|((value & 0x00FF0000)>>8)|((value & 0x0000FF00)<<8)|((value &0x000000FF)<<24);
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}