#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 >> 8) & 0XFF) << 16;
res |= ((value >> 16) & 0XFF) << 8;
res |= (value >> 24) & 0XFF;
return res;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}