#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t bit0 = (value & 0x000000FF)<<24;
uint32_t bit1 = (value & 0x0000FF00)<<8;
uint32_t bit2 = (value & 0x00FF0000)>>8;
uint32_t bit3 = (value & 0xFF000000)>>24;
return bit0 | bit1 | bit2 | bit3;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}