#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t result = 0;
result |= (value >> 24 & (0xff));
result |= (value >> 8 & (0xff00));
result |= (value << 8 & (0xff0000));
result |= (value << 24 & (0xff000000));
return result;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}