int main()
{
    int w,w1;
    
    scanf("%d", &w);
    if(w>=1 && w<=5)
        w1 = 6 - w;
    else
        w1 = 13- w;
    if(w==7)
        printf("1\n");
    if((13+31-w1)%7 == 0)
        printf("2\n");
    if((13+28+31-w1)%7 == 0)
        printf("3\n");
    if((13+31+28+31-w1)%7 == 0)
        printf("4\n");
    if((13+30+31+28+31-w1)%7 == 0)
        printf("5\n");
    if((13+31+30+31+28+31-w1)%7 == 0)
        printf("6\n");
    if((13+30+31+30+31+28+31-w1)%7 == 0)
        printf("7\n");
    if((13+31+30+31+30+31+28+31-w1)%7 == 0)
        printf("8\n");
    if((13+31+31+30+31+30+31+28+31-w1)%7 == 0)
        printf("9\n");
    if((13+30+31+31+30+31+30+31+28+31-w1)%7 == 0)
        printf("10\n");
    if((13+31+30+31+31+30+31+30+31+28+31-w1)%7 == 0)
        printf("11\n");
    if((13+30+31+30+31+31+30+31+30+31+28+31-w1)%7 == 0)
        printf("12\n");
    
    
    return 0;
}
