#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int y; cin>>y; if(y%4==0&&y%100!=0||y%400==0){ cout<<4; } if(y%4==1&&y%100!=0){ cout<<3; } if(y%4==2&&y%100!=0){ cout<<2; } if(y%4==3&&y%100!=0){ cout<<1; } return 0; }