#include <stdio.h>
 
int main(void) {
    int i = 1, sum = 0;
    while (i <= 100) {
        if (i % 3 != 0 && i % 5 != 0) {    //3,5の倍数ではない数に限定
 
            int n = i;    //計算用に同じ数字をもうひとつつくる
            while (n >= 10) {    //nの10の位がなくなるまで10で引き続ける
                n = n - 10;
            }
 
            if (n >= 6) {
                sum = sum + i;
            }
        }
        i++;
    }
    printf("%d", sum);
 
    return 0;
}
 

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