#include<stdio.h>
int main(){
    int severity_level;
    scanf("%d", &severity_level);
    if (severity_level >= 1 && severity_level <= 3){
        printf("%d\n", &severity_level);
    }else if (severity_level >= 4 && severity_level <= 6){
        printf("%d\n", &severity_level);
    }else if (severity_level >= 7 && severity_level <= 9){
         printf("%d\n", &severity_level);
    }else if (severity_level == 10){
        printf("%d\n", &severity_level);
    }else {
        printf("%d\n", &severity_level);
    }
    return 0;
        
}