#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t res;
res = (((value>>24) & 0xFF)) | (((value>>16) & 0xFF)<<8) | (((value>>8) & 0xFF)<<16) | (((value) & 0xFF)<<24);
return res;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}