View Code of Problem 43

#include<stdio.h>
#include<string.h>
int main(){
    int i;
    char a[90];
    scanf("%s",a);
    int lena=strlen(a);
    for(i=0;i<lena;i++){
        if(a[i]>='a'&&a[i]<='z'||a[i]>='A'&&a[i]<='Z')
            printf("%c",a[i]);
    }
    printf("\n");
    return 0;
}