readExceptionWithFileNotFoundExceptionFromParcel

#include<stdio.h>
int main()
{
char num;
while(scanf("%c",&num)==1)
{
if((num>=65)&&(num<=90))
{
num=num+32;
printf("%c\n",num);
}
else if((num>=97)&&(num<=122))
{
num=num-32;
printf("%c\n",num);
}
else
{
;
}
}
return 0;
}