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