#include <stdio.h>
int main() {
int n;
if (scanf("%d", &n) == 1) {
if (n == 0) {
printf("0\n");
return 0;
}
int min = 9;
int max=0;
while (n > 0) {
int digit = n % 10;
if(digit<min){
min=digit;
}
if (digit>max){
max=digit
}
n /= 10;
}
printf("%d %d\n",min,max );
}
return 0;
}