#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t result;
result = (value & 0xFFFF)<<16 | ((value>>16) & 0xFFFF);
// printf("%x\n",result);
result = (result & 0xFF000000)>>8 | (result & 0x00FF0000)<<8 | (result & 0xFF00)>>8 | (result &0xFF)<<8;
// printf("%x\n",result);
return result;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}