bugs.c

#include <stdio.h>
#include <string.h>
 
int main(){
  int N,i,j,len;
  char B[1001],line[1001],c;
  while(scanf("%d%s\n",&N,B)!=EOF){
    while(scanf("%c",&c)!=EOF){
      if(c==B[0]){
        line[0]=c;
        for(i=1,scanf("%c",&c);i<strlen(B)&&c==B[i];++i){
          line[i]=c;
          if(scanf("%c",&c)==EOF) break;
        }
        if(i!=strlen(B)){
          line[i]='\0';
          printf("%s",line);
        }
        ungetc(c,stdin);
      }else
        putchar(c);
    }
    /*while(fgets(line,1000,stdin)!=EOF){
      len=strlen(line);
      for(i=0;i<=;++i)
    }*/
  }
  return 0;
}