#include<stdio.h>
void main()
{
    int y,d,m,s,i;
    while(scanf("%d/%d/%d",&y,&m,&d)!=EOF){        
    s=31*(m-1)+d;
    for(i=0;i<m-1;i++)
      s=s-i%7%2;
    if(m>=3)
      s=s-1-(y%4+4)/5+(y%100+100)/101-(y%400+400)/401;
    printf("%d\n",s);

    }
}