#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t tmp=0;
tmp=(value<<24)|((value>>8)&(0xFF))<<16|((value>>24)&(0xFF))|((value>>16)&(0xFF))<<8;
return tmp;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}