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#include <fstream>
using namespace std;
ifstream fin ("vector.in");
ofstream fout("vector.out");
float v[100];
int n,x;
void cit(int n,int i)
{
if(i!=n+1)
{
fin>>v[i];
cit (n,i+1);
}
}
void af(int n,int i)
{
if(i!=n+1)
{
fout << v[i]<<' ';
af (n,i+1);
}
}
int caut(int n,int i)
{
if (i==n+1)
{
return 0;
}
else
{
if (x==v[i])
{
return i;
}
else
{
return caut(n,i+1);
}
}
}
int main()
{
fin >> n >> x;
cit(n,1);
af(n,1);
fout << caut (n,1);
return 0;
}