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#include <fstream>
#define DIM 2000009
using namespace std;
ifstream f("multiplu.in");
ofstream g("multiplu.out");
int p,u,ucif,nw,a, b, multiplu,i;
int v[DIM], t[DIM], r[DIM], ampus[DIM];
int cmmdc (int a, int b){
while(b){
int r=a%b;
a=b;
b=r;
}
return a;
}
void afis(int poz){
if(t[poz]!=0)
afis(t[poz]);
g<<ampus[poz];
return;
}
int main()
{
f>>a>>b;
multiplu = a/cmmdc (a,b)*b;
v[1]=1;
p=1; u=1;
r[1]=1;
t[1]=0;
ampus[1]=1;
while(p<=u){
for(ucif=0; ucif<=1; ucif++){
nw=v[p]*10+ucif; nw%=multiplu;
if(r[nw]==0){
v[++u]=nw;
t[u]=p;
r[nw]++;
ampus[u]=ucif;
}
if(nw==0){
p=u+1;
break;
}
}
p++;
}
afis(u);
return 0;
}