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