#include
bool IsPrimeNum(int n) {
if(n < 2) return false;
for(int i = 2;i*i <= n;i++)
if(n%i == 0) return false;
return true;
}
int main() {
int counter;
for(int i = 100;i < 103;i += 2) {
printf("%d",i);
counter = 0;
for(int j = 2;j <= i;j++) {
if(IsPrimeNum(j) && (IsPrimeNum(i - j))) {
if(counter%12 == 0) printf("\n");
printf(" = %d + %d",j,i - j);
counter++;
}
}
printf("\n");
}
return 0;
}