#include <stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    if (n < 0) {
        printf("Invalid input");
    } else {
        int num = 1;
        for (int i = 1;i <= n;, i++) {
            for (int j = 1;j <= i; j++)
            {
            printf("%d",num);
            num+= 2;
        }
        printf("\n");
    }
 }
return 0;
}