#include <stdio.h>
int main(){
    int severity;
    scanf("%d", &severity);
    if (severity >= 1 && severity <= 3) {
        printf("1\n1");
    {
        else if (severity >= 4 && severity <= )
    }
        printf("2\n1");
    {
        else if(severity >= 7 && severity <= =)
    }
    {
        printf("3\n2\n1");
    }
    else if (severit == 10) {
        printf("5\n3\n2\n1");
    }
    else{
        printf("Invalid input");
    }
    return 0;
}