#include <stdio.h>
#include <math.h>
int main() {
    void chang6(long long);
    long long number;
    scanf("%lld",&number);
    chang6(number);
    return 0;
}
void chang6(long long number){
    long long m=number;
    if(number/6){
        number/=6;
        chang6(number);
    }
    printf("%lld",m%6);    
    
}