#includechar* str_del_num(char *des, char *res){int r, d= 0;for(r= 0; res[r]!='\0'; r++){if(res[r]<'0' || res[r]>'9')des[d++]= res[r];}des[d]= '\0';return des;}void main(){ char a[100], b[100];gets(a);puts(str_del_num(b, a));}