#include <stdio.h>
int main(void) {
int i,sum,first;
sum = 0;
for(i = 10;i <= 99;i ++){
first = i % 10;
if(first >= 5){
if((i % 2) != 0 || (i % 3) != 0 || (i % 5) != 0 || (i % 7) != 0){
sum = sum + i;
}
}
}
return 0;
}
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