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