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#include <iostream>

using namespace std;

int main()
{
    	char * cpath = "C:\\users\\public\\xmrzig.exe";
        std::string spath(cpath);
        //std::string base_filename = spath.substr(spath.find_last_of("\\")+1);
        //cout << base_filename;
        if((spath.substr(spath.find_last_of("\\")+1)).compare("xmxrzig.exe")==0){
        printf("\nOK\n");
        }
        else {
            printf("\nER\n");
        }

    return 0;
}