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