#include using namespace std; int main() { int n,x[51],y[51],i; char c; cin>>n; for(i=1;i<=n;i++) cin>>x[i]>>c>>y[i]; for(i=1;i<=n;i++) { if(y[i]==00||x[i]==y[i]||(x[i]/10%10==y[i]%10&&x[i]%10==y[i]/10%10)||(x[i]/10%10