#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint32_t result = 0;
result |= (((value) & (0x000000FF)) >> 0) << 24;
result |= (((value) & (0x0000FF00)) >> 8) << 16;
result |= (((value) & (0x00FF0000)) >> 16) << 8;
result |= (((value) & (0xFF000000)) >> 24) << 0;
return result;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}