#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
value = ((value & 0xFF)<<24)|((value & 0xFF00)<<8)|((value & 0xFF0000)>>8)|((value & 0xFF000000)>>24);
return value;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}