#include <stdio.h>
int main(void)
{
int a;
int n;
a=0;
n=1;
while(n<=100)
{
if (n%3==0 || n%5==0)
{
n=n+1;
}
else
{
a=a+n;
n=n+1;
}
}
return 0;
}
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