#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
return ((value & 0x000000ff)<<24| (value & 0x0000ff00)<<8 | (value&0x00ff0000)>>8 | (value&0xff000000)>>24);
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}