#include<bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define AC return 0
using namespace std;
int b[16][16][5]={{{},{},{},{},}};
signed main(){
    cout<<3;
AC;
}
inline int read(){
    int x=0,f=1;
    char ch=getchar();
    while (ch<'0'||ch>'9'){
	    if (ch=='-') f=-1;
        ch=getchar();
    }
    while (ch>='0'&&ch<='9'){
        x=(x<<1)+(x<<3)+(ch^48);
        ch=getchar();
    }
    return x*f;
}