b:=a*a=a^2
#include <iostream>
using namespace std;
int main()
{
int b,c,d,e,f,g;
cin >>b;
d=30001;
int A[b];
for ( int i=0;b>i;i++ )
cin >> A[i];
}
if ( A[i]%13 ==0 )
if ( A[i]< d )
d=A[i];
cout << d;
3)
01010101 = 266305
11111000 = 2396672