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Cod sursa(job #775302)
#include <fstream>
#include <cstring>
#include <iostream>
using namespace std;
char v[10001];
int main()
{
ifstream f("tm.in");
ofstream g("tm.out");
char d;
int i,N,a,b,c,j,len;
f>>N;
for(i=1;i<=N;i++)
{ f>>v;
len= strlen (v); a=b=c=0;
for(j=0;j<len;j++)
{ if(v[j]=='a') a++;
if(v[j]=='b') b++;
if(v[j]=='c') c++;
}
if(a==b||b==c) g<<"DA"<<"\n";
else g<<"NU"<<"\n";
}
f.close();
g.close();
return 0;
}