#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value)
{
// Write logic to swap bytes
uint32_t result=0;
for(int i=0;i<4;i++)
{
result<<=8;
result|=(value & 0xFF);
value>>=8;
}
return result;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}