#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t new_val = 0;
new_val |= ((value >> 24) & 0xFF);
new_val |= ((value >> 8) & 0xFF00);
new_val |= ((value << 8) & 0xFF0000);
new_val |= ((value <<24) & 0xFF000000);
return new_val;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}