#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
uint32_t left_most = value & 0xFF ;
uint32_t left_mid = (value & 0xFF00)>>8;
uint32_t right_mid = (value & 0xFF0000)>>16;
uint32_t right_most = (value & 0xFF000000)>>24;
return ((left_most << 24) | (left_mid << 16) | (right_mid << 8)| right_most);
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}