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