#include <stdio.h>
#include <stdint.h>
uint32_t convert_endian(uint32_t value) {
uint8_t b0, b1, b2, b3;
b0 = value;
b1 = value >> 8;
b2 = value >> 16;
b3 = value >> 24;
return (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
}
int main() {
uint32_t val;
scanf("%u", &val);
printf("%u", convert_endian(val));
return 0;
}