#include<cstdio>
#include<cmath>
using namespace std;
int main()
{	
	int m,a,b,c,A,B,C,n;
	scanf("%d",&m);
	a=m/100;
	b=m/10%10;
	c=m%10;
	if (a>c&&a>b)
	{
		A=a;
		if(b>c)
		{
			B=b;
			C=c;
		}
		else
		{
			B=c;
			C=b;
		}
	}
	if(b>c&&b>a)
	{
		A=b;
		if(a>c)
		{
			B=a;
			C=c;
		}
		else
		{
			B=c;
			C=b;
		}
	}
	else
	{
		A=c;
		if(a>b)
		{
			B=a;
			C=b;
		}
		else
		{
			B=b;
			C=a;
		}
	}
	n=100*A+10*B+C;
	printf("%d",n);
}

#include using namespace std; int main() { int a,b,c,t,m,n; scanf("%d",&m); a=m/100; b=m/10%10; c=m%10; if(a<b) { t=a;a=b;b=t; } if(a<c) { t=a;a=c;c=t;} if(b<c) { t=b;b=c;c=t;} n=100a+10b+1*c; printf("%d",n); }

#include using namespace std; int main() { int a,b,c,t,n,m; scanf("%d",&n); a=n/100; b=(n/10)%10; c=n%10; if(a<b) { t=a;a=b;b=t; } if(a<c) { t=a;a=c;c=t; } if(b<c) { t=b;b=c;c=t; } m=100a+10b+c; printf("%d\n",m); return 0; }