#include <iostream>

int main()
{
    for (int aA = 0; aA <= 11; ++ aA) {

        int dD=(aA==0)?12:(aA==1)?23:(aA==2||aA==3||aA==9)?34:(aA==4||aA==7)?45:(aA==5)?56:(aA==6)?67:(aA==8)?78:(aA==10)?89:90;

        std::cout << dD << std::endl;
    }
}