#include <stdio.h>

int main() {
    
    int a;
    int b = 1;
    int n = 1;

    scanf("%d",&a);

    for (int i = 0;i < a; i++) {
        for (int i = 0;i < b;i++) {
            printf("%d",n);
            n++;
        }
        b++;
        printf("\n");
    }
}