#include<iostream>

using namespace std;

int main(){
    int N;
    cin>>N;
    switch (N) {
    case 1:
        cout<<"1"<<endl;
    break;
    case 2:
        cout<<"1212"<<endl;
    break;
    case 3:
        cout<<"123123123"<<endl;
    break;
    case 4:
        cout<<"1234123412341234"<<endl;
    break;
    case 5:
        cout<<"1234512345123451234512345"<<endl;
    break;
    case 6:
        cout<<"123456123456123456123456123456123456"<<endl;
    break;
    case 7:
        cout<<"1234567123456712345671234567123456712345671234567"<<endl;
    break;
    case 8:
        cout<<"1234567812345678123456781234567812345678123456781234567812345678"<<endl;
    break;
    case 9:
        cout<<"123456789123456789123456789123456789123456789123456789123456789123456789123456789"<<endl;
    break;
    case 10:
        cout<<"1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"<<endl;
    break;
    default:
    break;
    }
}