#include<bits/stdc++.h>
#define sf scanf
#define pf printf

using namespace std;


bool keys( string input )
{
//    freopen("in.txt","rt",stdin);
    string dict[2048]={
        "or","or_eq","private","protected","public","reflexpr",
        "register","reinterpret_cast","requires","return","short",
        "signed","sizeof","static","static_assert","static_cast",
        "struct","switch","synchronized","template","this","thread_local",
        "throw","true","try","typedef","typeid","typename","union",
        "while","xor","xor_eq","alignof","and","and_eq","asm","auto",
        "bitand","bitor","bool","break","case","catch","char","continue",
        "default","delete","do","double","else","false","float","for","friend",
        "goto","if","import","inline","int","long","mutable","namespace","new",
        "not","operator",
    };

    for( int i=0; i<65; i++ )
    {
        if( dict[i] == input ) return true;
    }
    return false;
}


int main()
{
    cout << "Enter A string to check keyword: ";
    string in;
    while(cin >> in)
    {
        if( keys( in ) )puts("Yeah! it's a keyword");
        else puts(" Not a keyword in dictionary ");

    }

    return 0;
}