usaco 2.2 runround...

/*
    ID:chenjiong
    PROG:runround
    LANG:C++
*/

#include <stdio.h>
#include <string.h>

int val[9];
int cnt;

int vis[10];

void write(unsigned int x)
{
    if ( x / 10 > 0 )
        write( x / 10 );
    vis[x % 10]++;
    val[cnt++] = x % 10;
}

bool is_ok(unsigned int x)
{
    memset(vis,0,sizeof(vis));
    cnt = 0;
    write(x);
    if ( vis[0] )
        return false;
    int i;
    for ( i = 0; i < cnt; i++)
        if ( vis[i] > 1 )
            return false;
                                             
    memset(vis,0,sizeof(vis));               
    int p = 0;
    vis[val[0]] = 1;
    int used = 1;                  
    while ( vis[val[p]] < 2 )          
    {
        p = ( p + val[p] ) % cnt;
        used = vis[val[p]] == 0 ? used + 1 : used;
        vis[val[p]]++;
    }

    if ( p == 0 && used == cnt )
        return true;
    return false;
}


int main()
{
    freopen("runround.in","r",stdin);
    freopen("runround.out","w",stdout);

    unsigned int M;
    scanf("%u",&M);

    unsigned int s;
    for ( s = M + 1; s <= 987654321; s++)
    {
        if ( is_ok(s) )
        {
            printf("%u\n",s);
            break;
        }
    }

    return 0;
}