#include <iostream>

using namespace std;



void soal_satu(int n);

void soal_dua(int n);

int ganjil_genap(int n);

int kali_dua_min_satu(int n);



int main() {

 soal_satu(1);

 soal_satu(2);

 soal_satu(3);

 soal_satu(4);

 soal_satu(5);

 soal_satu(7);



 soal_dua(1);

 soal_dua(2);

 soal_dua(3);

 soal_dua(4);

 soal_dua(5);



 return 0;

};



void soal_satu(int n) {

 int i=1;

 int j=ganjil_genap(n);

 while(i<=j) {

 if(i%2) printf("%d",i);

 i++;

 }

 i=j-1;

 while(i>0) {

 if(i%2) printf("%d",i);

 i--;

 }

 printf("\n");

};





void soal_dua(int n) {

 int i=1;

 int j=kali_dua_min_satu(n);

 while(i<=j) {

 if(i%2) printf("%d",i);

 i++;

 }

 i=j-1;

 while(i>0) {

 if(i%2) printf("%d",i);

 i--;

 }

 printf("\n");

};



int ganjil_genap(int n) {

 return n%2?n:n-1;

};



int kali_dua_min_satu(int n) {

 return n*2-1;

};