#include <stdio.h>
#include <math.h>
#include <string.h>
#define ll long long
int check(int n){
if(n <= 1) return 0;
for(int i=2; i*i <=n; i++){
if(n % i == 0) return 0;
}
return 1;
}
int main(){
char s[1004];
int sum = 0;
int flag1 = 0 , flag2 = 0;
for(int i=0; i<n; i++){
sum += s[i] - '0';
if((s[i] - '0') % 2 == 0) flag1 = 1;
else flag2 = 1;
}
if(flag1 && flag2 && check(sum)){
}
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