int main(){
	int i,j;//????????
	char s[100],a[100],b[100];//???????
	cin.getline(s,100); //????
	cin.getline(a,100);
	cin.getline(b,100);
	for(i=0,j=0;s[i]!='\0';){//????????
		if(s[i+j]==a[j]&&(s[i-1]==' '||i==0))j++; //???????
		else {cout<<s[i];       //???????
		i++;
		j=0;
		}
		if(a[j]=='\0'&&(s[i+j]==' '||s[i+j]=='\0')){  //???????b[100]
			cout<<b;
			i+=j;
			j=0;
		}
	}
	return 0;//??
}
