#include <stdio.h>
int main(void)
{
int a, b, c;
scanf("%d %d %d",&a ,&b ,&c);
if(a <= b && b <= c)
printf("%d%d%d",a ,b ,c);
else if(a <= c && c <= b)
printf("%d%d%d",a ,c ,b);
else if(b <= a && a <= c)
printf("%d%d%d",b ,a ,c);
else if(b <= c && c <= a)
printf("%d%d%d",b ,c ,a);
else if(c <= a && a <= b)
printf("%d%d%d",c ,a ,b);
else 
printf("%d%d%d",c ,b ,a);
return 0;
}