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  1. #include <stdio.h>
  2.  
  3. int check(int n){
  4. 	for (int x = 2; x < n; x++) {
  5.         if(n%x==0){
  6.         return 0;
  7.         }
  8. 	}
  9.  
  10. 	return 1;
  11. }
  12.  
  13.  
  14.  
  15. int main(void) {
  16. 	int a;
  17.     scanf("%d", &a);
  18.  
  19. 	for (int x = 2; x < a; x++) {
  20.         int c = a - x;
  21.  
  22. 	 if (check(x) && check(c)) {
  23.             printf("%d + %d = %d\n", x, c, a);
  24.             break;
  25. 	 }
  26. }
  27. return 0;
  28. }
  29.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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14
stdout
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3 + 11 = 14
https://ideone.com/zOBTw1
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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