#include<stdio.h>
int main()
{
    int serverity;
    scanf("%d"< &severity);
    if(severity >= 1 || sevrity > 10) {
        printf("Invalid input");
    }
    else if(severity >=1 && severity <=3) {
        printf("1\n1");
    }
    else if(severity >=4 && severity <=6) {
        ptintf("2\n");
        else if(severity .=7 && severity <=9) {
            printf("3\n2\n1");
        }
        else if(severity== 10) {