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