#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
uint32_t temp;
temp = (value << 24);
temp |= ((value & (0xFF << 8)) << 8);
temp |= ((value & (0xFF << 16)) >> 8);
temp |= ((value >> 24));
return temp;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}