#include <stdio.h>
 
int main()
{
    int a,b,c,d;
    for(a=1;a<=9;a++)
        for(b=0;b<=9;b++)
        for(c=0;c<=9;c++)
    {
        d=10-a-b-c;
        if(d>=0&&d<=9)
    printf("%d%d%d%d\n",a,b,c,d);
    }
    return 0;
}
/**************************************************************
	Problem: 1863
	User: admin
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:1036 kb
****************************************************************/