#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
return ((value >> 24) & 0x000000FF) | // Move byte 3 to byte 0
((value >> 8) & 0x0000FF00) | // Move byte 2 to byte 1
((value << 8) & 0x00FF0000) | // Move byte 1 to byte 2
((value << 24) & 0xFF000000);
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}