#include <iostream>
#include <fstream>
using namespace std;

int main()
{
fstream infile;
fstream outfile;
int i,si;

char c[255];
int income=0;
infile.open("DATA2.txt",ios::in);
if (!infile){cout<<"Fail to open DATA2.txt";}
outfile.open("OUT2.txt",ios::out|ios::trunc);
if (!outfile){cout<<"Fail to open Out2.txt";}
for(i=1;i<=5;i++)
{
for(si=0;si<=255;si++)
{c[si]=' ';}       
infile.getline(c,255); 
for(si=0;si<=255;si++)
{
if (c[si]=='+'){income++;}
if (c[si]=='-'){income--;
if (income<0){break;}}
if (c[si]==' '){break;}
continue;
}
if (income>=0){
outfile<<income<<endl;}
else{
income=0;
outfile<<"OH NOES!"<<endl;}
}
infile.close();
outfile.close();
}