#include <stdio.h>
int main() {
int n, a, b = 0, min = 0, max = 0,s_n;
scanf("%d", &n);
s_n = n;
while (n != 0) {
a = n % 10;
b = (n / 10) % 10;
if (a > b)
max = a;
else
max = b;
n = n / 10;
}
n = s_n;
while (n != 0) {
a = n % 10;
b = (n / 10) % 10;
if (a > b)
min = b;
else
min = a;
n = n / 10;
}
printf("%d %d", min, max);
return 0;
}