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