#include <stdio.h>
int main(){
  int x,y,z;
  printf("enter three number:");
  scanf("%d %d %d",&x,&y,&z);
  int value=2;
  switch(value=2){
case 1:
  printf("same value");
  break;
case 2:
  printf("different value");
  break;
case 3:
  printf("invalid");
  }
}