#include <fstream>
using namespace std;
ifstream in("strmatch.in");
ofstream out("strmatch.out");
char x[2000001];
char y[2000001];
int r[2000001];
int main()
{

    int i,j,s=0;

        in.getline(x,2000001,'\n');
        in.getline(y,2000001,'\n');


for(i=0;x[i]!=EOF;i++)
{
    for(j=0;y[j]!=EOF;j++)
    {
       //if(x[i]==y[j]) r[j]=r[j]+1;
    }

}

/*for(i=0;x[i]!=EOF;i++)
{
    s=s+1;
}
for(i=0;i<2000001;i++)
{
    if(r[i]==s) out<<i<<" ";
}
*/

return 0;
}