#include <stdio.h>

int a,b,c,d;

int main() {
    scanf("%d", &a);
    b=3;
    c=0;
    while(a>=b) {
        a=a-b;
        c=c+1;
    }
    d=a;
    printf("risultato = %d\n", c);
    printf("resto = %d", d);
}