#include<fstream.h>
#include<string.h>
main()
{
ifstream in("cifra.in");
ofstream o("cifra.out");
char n[200];
int a=0, b;
in>>n;
b=strlen(n)-1;
a+=n[b];
a+=n[b-1]*10;
long long s[200]={1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
o<<s[a]<<endl;
in.close();
o.close();
return 0;
}