#include <cstdio>
#include <iostream>

using namespace std ;

int n, a, b, c, d ;

int main ( void ) {
    scanf ( "%d%d%d%d%d", &n, &a, &b, &c, &d ) ;
    for ( int i = 0 ; i < n ; ++i )
        scanf ( "%d", &a ) ;
    printf ( "3\n" ) ;
    return 0 ;
}