#include <stdio.h>

int main(void) 
{
	int a,b,c;
	scanf("%d %d %d",&a,&b,&c);
	
	if(a<b&&a<c)	
	{
	printf("%d",a);
		if(b<=c)
		{
			printf("%d",b);
			printf("%d",c);		
		}
		else
		{
		printf("%d",c);
		printf("%d",b);
		}
	}
		
	if(b<a&&b<c)	
	{
		printf("%d",b);
			if(a<=c)
			{
				printf("%d",a);
				printf("%d",c);		
			}
			else
			{
			printf("%d",c);
			printf("%d",a);
			}
	}


	if(c<a&&c<b)	
	{
		printf("%d",c);
			if(a<=b)
			{
				printf("%d",a);
				printf("%d",b);		
			}
		
			else
			{
			printf("%d",b);
			printf("%d",a);
			}
	
	}		
	if(a==b&&b==c)
		{
		printf("%d",a);
		printf("%d",c);
		printf("%d",b);
		}

	return 0;
}