#include<stdio.h>
int?prime(int?n)
{for(int?i=2;i*i<=n;i++)
if(n%i==0)return?0;
return?1;
}
int?main()
{int?i,j,n;
scanf("%d",&n); if(n%2)n++; for(i=n;i<n+11;i+=2)
for(j=3;j<=i/2;j+=2)
if(prime(j)&&prime(i-j))
{printf("%d=%d+%d\n",i,j,i-j);
break;
} return?0;
}
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