#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
return (value >> 24) | (value << 24) | (value & 0xFF0000) >> 8 | (value & 0xFF00) << 8;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}