#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t res = ((value >>24)&0X000000FF)|((value<<24)&0xFF000000)|
((value>>8)&0x0000FF00)|((value<<8)&0x00FF0000);
return res;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}