6.3

#include<stdio.h>  int main()  {      int x=1,find=0;      while(1)      {          if(x>3000)continue;          x++;          if(x%2==1&&x%3==2&&x%5==4&&x%6==5&&x%7==0)          {              printf("x=%d\n",x);              find=1;              x++;          }      }      return 0;  }