
	
char boy_symbol = 0;						//boy_symbol?????

int main()
{
    int Match(int p);
    Match(0);
    return 0;
}

int Match(int p)
{
    char ch = cin.get();							//??????
	if (boy_symbol == 0) boy_symbol = ch;	//?????????????????ch
    if (ch != boy_symbol)					//?????????
    {
        return p;						    //return?????
    }
    else									//?????????
    {
        int t = Match(p + 1);				//???t????p???????????
        cout << p << " " << t << endl;		//??????
        if(p != 0)							//?????????????
            return Match(t + 1);			//??????????????????????????????????????????Match??????????????????
    }
}