#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 n,x; cin>>n; x=n%4; if(x==0){cout<<4<<endl;} if(x==1){cout<<3<<endl;} if(x==2){cout<<2<<endl;} if(x==3){cout<<1<<endl;} return 0; }