#include<stdio.h> #include<string.h> int main() { int i,n; char a[256]; scanf("%s",a); n=strlen(a); for (i=0; i<n;i++) { if ((a[i] >= 'a' && a[i] <= 'z')||(a[i] >= 'A' && a[i] <= 'Z')) { printf("%c", a[i]); } else continue; } printf("\n"); return 0; } |
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