laba8.11

#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
    int i;
    string s,b;
    getline(cin, s);
    if (s[0]>'A' && s[0]<'z')
        b=b+'?';
    for (i=0;i<s.length();i++)
    {
        if (s[i]==' ' && s[i+1]>'a' && s[i]<'z')
            b=b+' '+'?';
        else b=b+s[i];
    }
    cout<<b<<endl;
    return 0;
}