#include <stdio.h>
#include <stdint.h>
void swap(uint8_t * a,uint8_t*b)
{
uint8_t temp = *a;
*a = *b;
*b = temp;
}
uint32_t convert_endian(uint32_t value) {
// Write logic to swap bytes
int left = 0, right = sizeof(value) - 1;
while(left < right)
{
swap(((uint8_t *)&value)+left,(((uint8_t *)&value)+right));
left++;
right--;
}
return value;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}