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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. char a;
  6. while(isdigit(a = getchar())?a>'1':a>'b') {
  7. printf("%c", a);
  8. }
  9.  
  10. return 0;
  11. }
Success #stdin #stdout 0s 15240KB
stdin
23cbd4
stdout
23c