#include <stdio.h>

int main() {
    int i, j, sum=0;
    for(i=1; i<10; i++){  //i=1~9 -> 2~10
        for (j=1; j<10; j++){  //j=1~9 -> 2~10
            if(j%3 == 0) continue; //3배수(3,6,9)이면 continue하고 sum++
            if(i%4 == 0) break;  //4배수(4, 8)이면 break
            sum++;
        }
    }
    printf("%d\n", sum);
}