#include <iostream>
#include <string>

using namespace std;
int main(){
    string a;
    for(int i=0;i)
    string b="ST";
    string::size_type idx;
    idx=a.find(b);
    if(idx == string::npos )
        cout << "not found\n";
    else
        cout <<"found\n"; 
    idx=a.find(c);
    if(idx == string::npos )
        cout << "not found\n";
    else
        cout <<"found\n"; 
    return 0;
}