#include using namespace std; int main(){ using ll=long long; string a; cin>>a; int k=26; vector> d(k,vector(k)); for (int i=0;i>val; d[a[i]-'a'][a[j]-'a']=val; } int n,m; cin>>n>>m; vector s(n); vector> sum(m,vector(k)); for (int i=0;i>s[i]; for (int j=0;j