#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
uint8_t byte0 = (value >> 0)&0xFF;
uint8_t byte1 = (value >> 8)&0xFF;
uint8_t byte2 = (value >> 16)&0xFF;
uint8_t byte3 = (value >> 24)&0xFF;
uint32_t convert = (byte0 << 24)| (byte1 << 16) | (byte2 << 8) | byte3;
return convert;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}