#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t result = value;
char* swap = (char*)&result;
char temp;
temp = swap[0];
swap[0] = swap[3];
swap[3] = temp;
temp = swap[1];
swap[1] = swap[2];
swap[2] = temp;
return result;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}