#include<stdio.h>
int main(){
char line[150];
int i,j;
printf("Enter a string: ");
gets(line);
for(i=0; line[i]!='\0'; ++i)
{
while (!((line[i]>='a'&&line[i]<='z') || (line[i]>='A'&&line[i]<='Z' || line[i]=='\0')))
{
for(j=i;line[j]!='\0';++j)
{
line[j]=line[j+1];
}
line[j]='\0';
}
}
printf("Output String: ");
puts(line);
return 0;
}
