#include<iostream>
#include<string>
using namespace std;
int main ()
{
    char c;
    int i,sz,l=0,l1=0;
    while(cin.get(c))
{
    if(l1==0&&c>='A'&&c<='Z'){cout<<c;l1=1;continue;}
    if(c==' '||c==','||c=='-'||c=='\n')cout<<c;
    else
    if(c=='.'||c=='?'||c=='!'){cout<<c;l=1;}
    else
    if(l==1){cout<<c;l=0;}
    else
    cout<<char(c-('A'-'a'));
}
    return 0;
}





Whats wrong ??????