#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t be_value = value << 24;
be_value |= (value & 0xff00) << 8;
be_value |= (value & 0xff0000) >> 8;
be_value |= value >> 24;
return be_value;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}