uva oj 445

#include<cstdio>#include<iostream>#include<cstring>using namespace std;string ans;int main(){    char c;    int i,sum=0;    ans="";    int flag=0;    while((c=getchar())!=EOF)    {        if(c=='!')            ans+="\n";        else if(c=='\n')        {            if(flag)            {                cout<<ans<<endl;                flag=1-flag;                ans="";            }            else            {                ans+="\n";                flag=1-flag;            }        }        else if(c>='0'&&c<='9')            sum+=(c-'0'+0);        else        {            for(i=0;i<sum;i++)                ans+=(c=='b'?' ':c);            sum=0;        }    }    return 0;}